Hunting Bib

HuntRite Men's Camo Insulated Hunting Bibs

Key Features

  • Heavy-duty, abrasion-resistant camo hunting bibs
  • 8.6-oz. Silent Hide Twill 100% polyester shell with DWR finish
  • Quilted lining and poly-fill insulation
  • 6 pockets, including including zippered chest pockets and ventilating pass-through pockets
  • Double-layer knees with openings for knee pads
  • Knee-height leg zippers
  • Zipper from gusseted crotch to chest
On-Sale!   Was $64.99
$45.49 / $40.94 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Heavy-duty, abrasion-resistant camo hunting bibs
  • 8.6-oz. Silent Hide Twill 100% polyester shell with DWR finish
  • Quilted lining and poly-fill insulation
  • 6 pockets, including including zippered chest pockets and ventilating pass-through pockets
  • Double-layer knees with openings for knee pads
  • Knee-height leg zippers
  • Zipper from gusseted crotch to chest

Guide Gear Men's Camo Work Bibs 2.0 - Irregular

Key Features

  • 70/30 cotton/viscose construction
  • Adjustable suspenders
  • 5 pockets
  • Zipper fly
On-Sale!   Was $39.99
$27.99 / $25.19 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 70/30 cotton/viscose construction
  • Adjustable suspenders
  • 5 pockets
  • Zipper fly

NOMAD Men's Conifer NXT Hunting Bibs, Mossy Oak Droptime Camo

Key Features

  • Quiet 100% waterproof, windproof protection
  • Lightweight, warm 100-gram PrimaLoft® insulation
  • Zippered chest pocket to stash items
  • Fleece-lined cargo pockets
  • Self-adjusting ever-adjust waistband
  • Zip-to-hip leg zippers
  • 4-way-stretch crotch gusset
$250.00 /
See Member Price in Checkout
4 interest-free payments of $62.50 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Quiet 100% waterproof, windproof protection
  • Lightweight, warm 100-gram PrimaLoft® insulation
  • Zippered chest pocket to stash items
  • Fleece-lined cargo pockets
  • Self-adjusting ever-adjust waistband
  • Zip-to-hip leg zippers
  • 4-way-stretch crotch gusset

ScentBlocker Men's Commander Insulated Bibs

Key Features

  • Quiet, soft 60/40 cotton/polyester brushed tricot fabric
  • Polyfill insulation with a quilted tricot lining
  • S3 silver antimicrobial technology
  • Full-length front zipper
  • Adjustable shoulder straps
On-Sale!   Was $99.99
$74.99 - $78.74 / $67.49 - $70.87 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Quiet, soft 60/40 cotton/polyester brushed tricot fabric
  • Polyfill insulation with a quilted tricot lining
  • S3 silver antimicrobial technology
  • Full-length front zipper
  • Adjustable shoulder straps

ScentLok BE:1 Fortress Waterproof Hunting Bibs

Key Features

  • Late-season Bibs
  • 100% polyester fleece shell
  • Windproof/waterproof, breathable membrane
  • Carbon alloy™ for odor adsorption
  • Thermally mapped Thinsulate™ Insulation
  • Leg zippers with storm flaps
  • 8 total pockets
On-Sale!   Was $349.99
$262.49 / $236.24 Member
4 interest-free payments of $59.06 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Late-season Bibs
  • 100% polyester fleece shell
  • Windproof/waterproof, breathable membrane
  • Carbon alloy™ for odor adsorption
  • Thermally mapped Thinsulate™ Insulation
  • Leg zippers with storm flaps
  • 8 total pockets

Drake Waterfowl Men's Reflex Insulated Hunting Bibs

Key Features

  • 100% waterproof/windproof/breathable Refuge Flex shell
  • Polyester insulation for warmth
  • Fleece-lined mid-body and handwarmer pockets
  • 2 Magnattach™ chest pockets
  • 2 zippered chest pockets
  • Knee-length side leg zippers
  • Reinforced knees and seat
  • Fowl-Proof YKK® zippers
On-Sale!   Was $199.99
$149.99 /
See Member Price in Checkout
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% waterproof/windproof/breathable Refuge Flex shell
  • Polyester insulation for warmth
  • Fleece-lined mid-body and handwarmer pockets
  • 2 Magnattach™ chest pockets
  • 2 zippered chest pockets
  • Knee-length side leg zippers
  • Reinforced knees and seat
  • Fowl-Proof YKK® zippers

Banded Men's Squaw Creek Waterproof Insulated Hunting Bibs

Key Features

  • 100% waterproof/breathable technology
  • 100-gram PrimaLoft® Silver Insulation
  • Zippered chest pocket
  • Fleece-lined handwarmer pockets
  • Side leg zippers
  • Side zip chest adjustments
  • Adjustable suspenders and waistbelt
On-Sale!   Was $239.99
$179.99 - $189.99 /
See Member Price in Checkout
4 interest-free payments of $45.00 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% waterproof/breathable technology
  • 100-gram PrimaLoft® Silver Insulation
  • Zippered chest pocket
  • Fleece-lined handwarmer pockets
  • Side leg zippers
  • Side zip chest adjustments
  • Adjustable suspenders and waistbelt

ArcticShield Men's Tundra 3-in-1 Hunting Bibs

Key Features

  • Waterproof, windproof ripstop shell
  • Retain™ heat retention technology throughout entire body
  • X-style elastic suspenders with quick-release buckles
  • Thigh-high two-way leg zippers with storm flaps
  • Adjustable cuffs with hook-and-loop tabs
  • Zippered fly with storm flap
  • Relaxed fit
On-Sale!   Was $239.99
$179.99 / $161.99 Member
4 interest-free payments of $40.50 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Waterproof, windproof ripstop shell
  • Retain™ heat retention technology throughout entire body
  • X-style elastic suspenders with quick-release buckles
  • Thigh-high two-way leg zippers with storm flaps
  • Adjustable cuffs with hook-and-loop tabs
  • Zippered fly with storm flap
  • Relaxed fit

ArcticShield Men's Classic Elite Hunting Bibs

Key Features

  • 100% waterproof and windproof high-cut Bibs
  • Durable polyester tricot shell
  • Retain™ thermal material captures 90% of your body heat
  • Polyester lining for easy layering over clothes
  • Thigh-high leg zippers for easy on/off over boots
  • Comfortable elastic waistband
  • Zippered pockets and rear slash pockets
On-Sale!   Was $194.99
$129.99 / $116.99 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% waterproof and windproof high-cut Bibs
  • Durable polyester tricot shell
  • Retain™ thermal material captures 90% of your body heat
  • Polyester lining for easy layering over clothes
  • Thigh-high leg zippers for easy on/off over boots
  • Comfortable elastic waistband
  • Zippered pockets and rear slash pockets

ScentLok BE:1 Voyage Hunting Bibs

Key Features

  • Midweight, deadly-quiet premium fleece fabric
  • Carbon Alloy™ provides maximum odor protection
  • Moisture-wicking treatment to keep you dry
  • 10-pocket design (8 storage and 2 chest handwarmer)
  • Comfort ladder suspenders for easy adjustments
  • Side leg zippers for easy on/off over boots
  • Inner thigh gusset and articulated knees for flexibility
On-Sale!   Was $229.99
$172.49 / $155.24 Member
4 interest-free payments of $38.81 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Midweight, deadly-quiet premium fleece fabric
  • Carbon Alloy™ provides maximum odor protection
  • Moisture-wicking treatment to keep you dry
  • 10-pocket design (8 storage and 2 chest handwarmer)
  • Comfort ladder suspenders for easy adjustments
  • Side leg zippers for easy on/off over boots
  • Inner thigh gusset and articulated knees for flexibility

Bolderton Elite Men's Bibs Powered by ScentBlocker

Key Features

  • Insulated hunting bibs
  • 100% micro poly tricot with PU lamination shell
  • 100% polyester lining
  • 3M™ Thinsulate™ water-resistant insulation
  • Cold Fusion Carbon odor control by ScentBlocker®
  • Twill elastic adjustable straps
  • Leg zippers
  • Multiple pockets
On-Sale!   Was $189.99
$132.99 / $119.69 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Insulated hunting bibs
  • 100% micro poly tricot with PU lamination shell
  • 100% polyester lining
  • 3M™ Thinsulate™ water-resistant insulation
  • Cold Fusion Carbon odor control by ScentBlocker®
  • Twill elastic adjustable straps
  • Leg zippers
  • Multiple pockets

Guide Gear Men's Steadfast Waterproof Hunting Bibs, 150 Gram Thinsulate Platinum with X-Static

Key Features

  • Premier extreme cold/extreme wet-weather hunting bibs
  • Quiet brushed micro-tricot shell fabric
  • Guide Dry® 100% waterproof/breathable
  • 150 gram Thinsulate™ Platinum insulation
  • X-STATIC® antimicrobial odor control
  • 19" leg zippers
  • Multiple pockets
On-Sale!   Was $154.99
$108.49 / $97.64 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Premier extreme cold/extreme wet-weather hunting bibs
  • Quiet brushed micro-tricot shell fabric
  • Guide Dry® 100% waterproof/breathable
  • 150 gram Thinsulate™ Platinum insulation
  • X-STATIC® antimicrobial odor control
  • 19" leg zippers
  • Multiple pockets

ArcticShield Men's Heat Echo Waterproof Sherpa Hunting Bibs

Key Features

  • 100% waterproof, windproof, breathable
  • Retain™ Active breathable heat-retention technology
  • Sherpa fleece exterior
  • Fleece-lined interior
  • Zip handwarmer pockets
  • Zip front thigh pockets
  • Thigh-high 2-way leg zippers
  • Side flex points for easy movement
On-Sale!   Was $179.99
$135.99 / $122.39 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% waterproof, windproof, breathable
  • Retain™ Active breathable heat-retention technology
  • Sherpa fleece exterior
  • Fleece-lined interior
  • Zip handwarmer pockets
  • Zip front thigh pockets
  • Thigh-high 2-way leg zippers
  • Side flex points for easy movement

Code of Silence ColdFjall Hunting Bibs

Key Features

  • High-pile Berber-Wool™ fabric
  • Fleece-Wool™ minimizing retention of burrs
  • WindSeal TC-3™ provides a wind barrier
  • Windsulation™ "compressed" insulation maximizes mobility
  • High-loft polyester insulation keeps you warm
  • Zippered thigh pockets
  • Full length leg zippers
$240.00 / $216.00 Member
4 interest-free payments of $54.00 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • High-pile Berber-Wool™ fabric
  • Fleece-Wool™ minimizing retention of burrs
  • WindSeal TC-3™ provides a wind barrier
  • Windsulation™ "compressed" insulation maximizes mobility
  • High-loft polyester insulation keeps you warm
  • Zippered thigh pockets
  • Full length leg zippers

DSG Outerwear Women's Kylie 4.0 Drop Seat Hunting Bibs

Key Features

  • Waterproof, windproof 100% polyester
  • Thin-profile 120-gram insulation
  • Drop-seat feature for easy bathroom breaks
  • Bibs zip off for wear as pants
  • Adjustable waist tabs and suspenders
  • Adjustable snap inseam
  • Side leg zippers
  • Pairs perfectly with Kylie Jacket (sold separately)
$199.99 / $179.99 Member
4 interest-free payments of $45.00 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Waterproof, windproof 100% polyester
  • Thin-profile 120-gram insulation
  • Drop-seat feature for easy bathroom breaks
  • Bibs zip off for wear as pants
  • Adjustable waist tabs and suspenders
  • Adjustable snap inseam
  • Side leg zippers
  • Pairs perfectly with Kylie Jacket (sold separately)

Huntworth Men's Snow Camo Hunting Bibs

Key Features

  • Polyester shell with polyurethane coating
  • Polyester lining
  • Adjustable shoulder straps
  • VELCRO® brand adjustable tab at ankle
  • Zipper seam with snap closure storm flap
On-Sale!   Was $69.99
$39.99 / $35.99 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Polyester shell with polyurethane coating
  • Polyester lining
  • Adjustable shoulder straps
  • VELCRO® brand adjustable tab at ankle
  • Zipper seam with snap closure storm flap

Huntworth Men's Fairbanks Heavyweight Waterproof Hunting Bibs

Key Features

  • Heavyweight 100% polyester brushed tricot shell
  • Windproof/breathable film
  • 100% waterproof protection and fully taped seams
  • Sherpa fleece lining in upper body
  • Polyfill insulation throughout for added warmth
  • Microban® antimicrobial protection on fleece for scent reduction
  • 2 large zip cargo pockets, 1 zip chest pocket
  • 2-way zipper with inner storm flap and snap closure
$189.99 - $219.99 / $170.99 - $197.99 Member
4 interest-free payments of $42.75 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!
    • This item is shipped directly from the factory. Sorry, no express shipping available. We are unable to ship factory direct items to Alaska, Hawaii, Puerto Rico or APO or FPO addresses.

Key Features

  • Heavyweight 100% polyester brushed tricot shell
  • Windproof/breathable film
  • 100% waterproof protection and fully taped seams
  • Sherpa fleece lining in upper body
  • Polyfill insulation throughout for added warmth
  • Microban® antimicrobial protection on fleece for scent reduction
  • 2 large zip cargo pockets, 1 zip chest pocket
  • 2-way zipper with inner storm flap and snap closure

DSG Outerwear Women's Kylie 4.0 Drop Seat Hunting Bibs

Key Features

  • Waterproof, windproof 100% polyester
  • Thin-profile 120-gram insulation
  • Drop-seat feature for easy bathroom breaks
  • Bibs zip off for wear as pants
  • Adjustable waist tabs and suspenders
  • Adjustable snap inseam
  • Side leg zippers
  • Pairs perfectly with Kylie Jacket (sold separately)
$199.99 / $179.99 Member
4 interest-free payments of $45.00 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!
    • This item is shipped directly from the factory. Sorry, no express shipping available. We are unable to ship factory direct items to Alaska, Hawaii, Puerto Rico or APO or FPO addresses.

Key Features

  • Waterproof, windproof 100% polyester
  • Thin-profile 120-gram insulation
  • Drop-seat feature for easy bathroom breaks
  • Bibs zip off for wear as pants
  • Adjustable waist tabs and suspenders
  • Adjustable snap inseam
  • Side leg zippers
  • Pairs perfectly with Kylie Jacket (sold separately)

ArcticShield Youth Classic Elite Hunting Bibs, Realtree Edge Camo

Key Features

  • 100% waterproof, windproof protection
  • Durable polyester tricot outer shell
  • Retain™ heat retention technology
  • Polyester lining in body for easy on/off over layers
  • Cargo pocket with button closure
  • Knee-high leg zippers
  • Elastic waistband
  • Storm flaps with snap closures
  • Adjustable hook-and-loop cuffs
On-Sale!   Was $124.99
$93.74 / $84.37 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% waterproof, windproof protection
  • Durable polyester tricot outer shell
  • Retain™ heat retention technology
  • Polyester lining in body for easy on/off over layers
  • Cargo pocket with button closure
  • Knee-high leg zippers
  • Elastic waistband
  • Storm flaps with snap closures
  • Adjustable hook-and-loop cuffs

ScentBlocker Youth Commander Insulated Hunting Bibs

Key Features

  • Quiet, soft 60/40 cotton/polyester brushed tricot fabric
  • Polyfill insulation with a quilted tricot lining
  • S3 silver antimicrobial technology
  • Full-length front zipper
  • Adjustable shoulder straps
  • 24" leg zippers
  • Realtree EDGE™ camo
On-Sale!   Was $79.99
$59.99 / $53.99 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Quiet, soft 60/40 cotton/polyester brushed tricot fabric
  • Polyfill insulation with a quilted tricot lining
  • S3 silver antimicrobial technology
  • Full-length front zipper
  • Adjustable shoulder straps
  • 24" leg zippers
  • Realtree EDGE™ camo

ArcticShield Youth Heat Echo Attack Hunting Bibs

Key Features

  • Waterproof, windproof and breathable ripstop shell
  • Retain™ heat retention technology throughout the entire body
  • Lightweight 40-gram synthetic insulation
  • Two-way front zipper with storm flap and snaps
  • Thigh-high two-way leg zippers with storm flap
  • Elastic suspenders with quick-release buckles
  • Youth-specific fit
$189.99 / $170.99 Member
4 interest-free payments of $42.75 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Waterproof, windproof and breathable ripstop shell
  • Retain™ heat retention technology throughout the entire body
  • Lightweight 40-gram synthetic insulation
  • Two-way front zipper with storm flap and snaps
  • Thigh-high two-way leg zippers with storm flap
  • Elastic suspenders with quick-release buckles
  • Youth-specific fit

ScentBlocker Men's Drencher Insulated Bibs

Key Features

  • Quiet, 100% polyester brushed tricot shell
  • Waterproof, windproof, breathable RainBlocker®
  • S3™ Silver antimicrobial odor-prevention technology
  • 200 gram polyfill insulation
  • Adjustable shoulder straps
On-Sale!   Was $114.99
$82.49 / $74.24 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Quiet, 100% polyester brushed tricot shell
  • Waterproof, windproof, breathable RainBlocker®
  • S3™ Silver antimicrobial odor-prevention technology
  • 200 gram polyfill insulation
  • Adjustable shoulder straps

ArcticShield® Women's Classic Elite Bibs, Realtree Edge

Key Features

  • 100% waterproof, windproof protection
  • Durable polyester tricot outer shell
  • Body-warming Retain™ thermal material
  • Multiple zippered pockets
  • Thigh-high two-way zippered side gussets
  • Adjustable hook-and-loop cuffs
  • Relaxed fit
On-Sale!   Was $184.99
$119.99 / $107.99 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% waterproof, windproof protection
  • Durable polyester tricot outer shell
  • Body-warming Retain™ thermal material
  • Multiple zippered pockets
  • Thigh-high two-way zippered side gussets
  • Adjustable hook-and-loop cuffs
  • Relaxed fit

Gamehide Men's Ridgeline Bibs

Key Features

  • Silent Hush Hide Ultra fabric
  • Heat Tech insulation
  • HydroCore laminate for wind and water-resistance
  • Two-way front zipper for venting heat
  • Full-leg zippers
$149.99 / $134.99 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Silent Hush Hide Ultra fabric
  • Heat Tech insulation
  • HydroCore laminate for wind and water-resistance
  • Two-way front zipper for venting heat
  • Full-leg zippers

World Famous Sports Bibs

Key Features

  • Adjustable elastic suspenders
  • Zip front with snap storm flap
  • Three pockets
  • Leg zip with snap flap
$69.99 - $79.99 / $62.99 - $71.99 Member
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Adjustable elastic suspenders
  • Zip front with snap storm flap
  • Three pockets
  • Leg zip with snap flap

Code of Silence Dialed-In Tech Bibs

Key Features

  • 75/25 polyester/wool shell
  • 100% polyester lining
  • WindSeal-TC3
  • Reversed antimicrobial 3X-Tricot
  • Adjustable elastic suspenders with grip
  • Zipper front
  • Front handwarmer pockets
  • Zippered thigh pockets
  • Full-length leg zips
$230.00 - $250.00 / $207.00 - $225.00 Member
4 interest-free payments of $51.75 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 75/25 polyester/wool shell
  • 100% polyester lining
  • WindSeal-TC3
  • Reversed antimicrobial 3X-Tricot
  • Adjustable elastic suspenders with grip
  • Zipper front
  • Front handwarmer pockets
  • Zippered thigh pockets
  • Full-length leg zips

Drake Men's MST Ultimate Wader Bibs

Key Features

  • MST (Mid-Season Technology) for 30-60°F temps
  • 100% polyester fleece shell
  • 100% polyester sherpa fleece lining
  • Sherpa-lined slash handwarmer pockets
  • Magnattach™ left chest pocket
  • Zippered rear security pockets
  • Gusseted crotch
  • Articulated knees
On-Sale!   Was $149.99
$112.49 /
See Member Price in Checkout
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • MST (Mid-Season Technology) for 30-60°F temps
  • 100% polyester fleece shell
  • 100% polyester sherpa fleece lining
  • Sherpa-lined slash handwarmer pockets
  • Magnattach™ left chest pocket
  • Zippered rear security pockets
  • Gusseted crotch
  • Articulated knees

Under Armour Men's Rut Windproof Bibs

Key Features

  • Silent microfleece exterior with 100% windproof construction
  • Sherpa liner
  • UA Scent Control
  • 4-way stretch material
  • Articulated moto knees
  • Multiple pockets
  • Adjustable and detachable suspenders
  • 32.5" inseam
$225.00 /
See Member Price in Checkout
4 interest-free payments of $56.25 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Silent microfleece exterior with 100% windproof construction
  • Sherpa liner
  • UA Scent Control
  • 4-way stretch material
  • Articulated moto knees
  • Multiple pockets
  • Adjustable and detachable suspenders
  • 32.5" inseam

Drake Non-Typical Men's Standstill Windproof Bibs with Agion Active XL

Key Features

  • 100% polyester microfiber interlock Standstill shell
  • 400-gram 100% polyester fleece lining
  • Agion Active XL® scent-control technology
  • 1 vertical Magnattach™ chest pocket
  • 1 vertical zippered chest pocket
  • Grunt tube lanyard
  • Against-the-body handwarmer pockets
  • 2 lower slash zippered security pockets
$249.99 /
See Member Price in Checkout
4 interest-free payments of $62.50 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% polyester microfiber interlock Standstill shell
  • 400-gram 100% polyester fleece lining
  • Agion Active XL® scent-control technology
  • 1 vertical Magnattach™ chest pocket
  • 1 vertical zippered chest pocket
  • Grunt tube lanyard
  • Against-the-body handwarmer pockets
  • 2 lower slash zippered security pockets

Browning Men's Wicked Wings Insulated Bibs

Key Features

  • Water/windproof fabric with fully taped seams
  • 80-gram PrimaLoft® RISE insulation
  • Pre-Vent Plus membrane
  • Adjustable elastic shoulder straps
  • Front zipper closure with storm flap
  • Zipper side legs
  • Internal handwarmer pockets
  • Durable overlays on knees and lower legs
$209.99 / $188.99 Member
4 interest-free payments of $47.25 with Sezzle
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Water/windproof fabric with fully taped seams
  • 80-gram PrimaLoft® RISE insulation
  • Pre-Vent Plus membrane
  • Adjustable elastic shoulder straps
  • Front zipper closure with storm flap
  • Zipper side legs
  • Internal handwarmer pockets
  • Durable overlays on knees and lower legs