Base Layer

ScentBlocker Koretec Men's Heavyweight Base Layer Bottoms

Key Features

  • Polyester outer backed with a light fleece lining
  • Smooth polyester face
  • S3® anti-microbial finish
  • Smooth flatlock seams for comfort
  • Tapered legs
  • Elastic waistband
  • Pass-though fly
On-Sale!   Was
Buyer's Club
$16.87 - $26.99
Non-Member $18.74 - $29.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Polyester outer backed with a light fleece lining
  • Smooth polyester face
  • S3® anti-microbial finish
  • Smooth flatlock seams for comfort
  • Tapered legs
  • Elastic waistband
  • Pass-though fly

Guide Gear Men's Heavyweight Fleece Base Layer Quarter Zip Top

Key Features

  • 100% polyester
  • Moisture-wicking
  • Raglan sleeves
  • Tagless label
  • YKK® zipper
Buyer's Club
$26.99
Non-Member $29.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 100% polyester
  • Moisture-wicking
  • Raglan sleeves
  • Tagless label
  • YKK® zipper

Guide Gear Men's Lightweight Base Layer Crew Top

Key Features

  • 97/3 polyester/spandex
  • Stretch fabric with raglan sleeves
  • Moisture-wicking, fast-drying
  • Thumbholes
  • Tagless label
Buyer's Club
$17.99
Non-Member $19.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 97/3 polyester/spandex
  • Stretch fabric with raglan sleeves
  • Moisture-wicking, fast-drying
  • Thumbholes
  • Tagless label

Hard Core Men's Power-F Base Layer Bottoms

Key Features

  • Soft thermal 100% polyester fleece
  • Lofted backing traps in warmth
  • S3® silver antimicrobial technology
  • Moisture-wicking performance
  • Pass-though fly
Club Pricing Applied at Checkout!
Non-Member $59.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Soft thermal 100% polyester fleece
  • Lofted backing traps in warmth
  • S3® silver antimicrobial technology
  • Moisture-wicking performance
  • Pass-though fly

Mil-Tec Fleece Base Layer Set

Key Features

  • Anti-piling polyester thermofleece
  • Moisture-wicking, easy-moving comfort
  • Long-sleeved top and bottom
  • Rubbed cuffs at wrists and ankles
  • Elastic waist
Buyer's Club
$17.99
Non-Member $19.99
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

  • Anti-piling polyester thermofleece
  • Moisture-wicking, easy-moving comfort
  • Long-sleeved top and bottom
  • Rubbed cuffs at wrists and ankles
  • Elastic waist

Carhartt Men's Base Force Midweight Classic Base Layer Bottoms

Key Features

  • 200 GSM 4-oz. 100% polyester
  • Rugged Flex® 4-way stretch fabrication
  • FastDry® wicking technology
  • Waffle-knit interior
  • Anti-odor properties
  • Flatlock seams
  • Concealed Y-stitch waistband
  • Pass-through fly
Club Pricing Applied at Checkout!
Non-Member $34.99 - $44.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 200 GSM 4-oz. 100% polyester
  • Rugged Flex® 4-way stretch fabrication
  • FastDry® wicking technology
  • Waffle-knit interior
  • Anti-odor properties
  • Flatlock seams
  • Concealed Y-stitch waistband
  • Pass-through fly

Carhartt Men's Base Force Midweight Classic Crew Base Layer Top

Key Features

  • 200 GSM 6-oz. 100% polyester
  • Rugged Flex® 4-way stretch fabrication
  • FastDry® wicking technology
  • Waffle-knit interior
  • Anti-odor properties
  • Flatlock seams
  • Tagless label
  • Concealed thumbholes
Club Pricing Applied at Checkout!
Non-Member $34.99 - $44.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 200 GSM 6-oz. 100% polyester
  • Rugged Flex® 4-way stretch fabrication
  • FastDry® wicking technology
  • Waffle-knit interior
  • Anti-odor properties
  • Flatlock seams
  • Tagless label
  • Concealed thumbholes

Under Armour Men's Base 4.0 Base Layer Bottoms

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Pass-through fly
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $100.00
Club Pricing Applied at Checkout!
Non-Member $70.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Pass-through fly
  • Fitted style
  • Part of the ColdGear collection

ScentBlocker Koretec Men's Heavyweight Base Layer Top

Key Features

  • Polyester outer backed with a light fleece lining
  • Smooth polyester face
  • S3® anti-microbial finish
  • Set-in sleeves
  • Smooth flatlock seams for comfort
On-Sale!   Was $34.99
Buyer's Club
$23.62 - $26.99
Non-Member $26.24 - $29.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Polyester outer backed with a light fleece lining
  • Smooth polyester face
  • S3® anti-microbial finish
  • Set-in sleeves
  • Smooth flatlock seams for comfort

ScentBlocker Koretec Men's Tech Weight Base Layer Bottoms.

Key Features

  • Lightweight stretch polyester with smooth face
  • S3® anti-microbial finish
  • Smooth flatlock seams for comfort
  • Elastic waistband
  • Tapered legs
  • Pass-through fly
On-Sale!   Was $34.99
Buyer's Club
$20.24
Non-Member $22.49
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Lightweight stretch polyester with smooth face
  • S3® anti-microbial finish
  • Smooth flatlock seams for comfort
  • Elastic waistband
  • Tapered legs
  • Pass-through fly

Under Armour Men's Base 3.0 Base Layer Bottoms

Key Features

  • 78/22 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Pass-through fly
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $70.00
Club Pricing Applied at Checkout!
Non-Member $49.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 78/22 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Pass-through fly
  • Fitted style
  • Part of the ColdGear collection

Under Armour Men's Base 4.0 Base Layer Quarter-zip Top

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $90.00
Club Pricing Applied at Checkout!
Non-Member $63.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection

Under Armour Men's Base 3.0 Base Layer Crew Top

Key Features

  • 78/22 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $70.00
Club Pricing Applied at Checkout!
Non-Member $49.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 78/22 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection

Banded Men's Merino Wool Base Layer Bottoms

Key Features

  • Merino wool, 230-gram weight
  • Flatlock seams
  • Moisture-wicking
  • Elastic waist
  • Pass-through fly
  • Athletic cut
Club Pricing Applied at Checkout!
Non-Member $94.99 - $104.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Merino wool, 230-gram weight
  • Flatlock seams
  • Moisture-wicking
  • Elastic waist
  • Pass-through fly
  • Athletic cut

Under Armour Men's Base 2.0 Base Layer Bottoms

Key Features

  • 71/29 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Pass-through fly
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $60.00
Club Pricing Applied at Checkout!
Non-Member $42.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 71/29 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Pass-through fly
  • Fitted style
  • Part of the ColdGear collection

ScentBlocker Men's Koretec Tech Weight Base Layer Top

Key Features

  • Lightweight stretch polyester
  • Smooth face for easy layering
  • S3® anti-microbial finish
  • Smooth flatlock seams for comfort
  • Set-in sleeves for enhanced mobility
On-Sale!   Was $34.99
Buyer's Club
$16.87
Non-Member $18.74
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Lightweight stretch polyester
  • Smooth face for easy layering
  • S3® anti-microbial finish
  • Smooth flatlock seams for comfort
  • Set-in sleeves for enhanced mobility

U.S. Military Surplus ECWCS Fleece Base Layer Set, New

Key Features

  • U.S. military issue
  • Made in USA by Brooklyn Armed Forces™
  • NSN: 8415-01-641-1272
  • ECWCS Gen III Level 2 mid-weight Base Layer
  • Includes Balaclava, Shirt, and Pants
  • 93/7 polyester/spandex
On-Sale!   Was $79.99
Buyer's Club
$64.79
Non-Member $71.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • U.S. military issue
  • Made in USA by Brooklyn Armed Forces™
  • NSN: 8415-01-641-1272
  • ECWCS Gen III Level 2 mid-weight Base Layer
  • Includes Balaclava, Shirt, and Pants
  • 93/7 polyester/spandex

Guide Gear Women's Lightweight Base Layer Bottoms

Key Features

  • 97/3 polyester/spandex
  • Moisture-wicking, fast-drying
  • Gusseted for easy motion
  • Comfortable seams
Buyer's Club
$17.99
Non-Member $19.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 97/3 polyester/spandex
  • Moisture-wicking, fast-drying
  • Gusseted for easy motion
  • Comfortable seams

U.S. Military Surplus Fleece Base Layer Set, New

Key Features

  • U.S. military issue, made in USA
  • Heavyweight fleece
  • Moisture-wicking, easy-moving comfort
  • Long-sleeved top and bottom
  • Ribbed cuffs at wrists and ankles
  • Rolled neck, elastic waist
  • New condition
On-Sale!   Was $39.99
Buyer's Club
$26.99
Non-Member $29.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • U.S. military issue, made in USA
  • Heavyweight fleece
  • Moisture-wicking, easy-moving comfort
  • Long-sleeved top and bottom
  • Ribbed cuffs at wrists and ankles
  • Rolled neck, elastic waist
  • New condition

Under Armour Men's Base 4.0 Base Layer Crew Top

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $100.00
Club Pricing Applied at Checkout!
Non-Member $70.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection

Under Armour Men's Base 2.0 Base Layer Crew Top

Key Features

  • 71/29 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $60.00
Club Pricing Applied at Checkout!
Non-Member $42.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 71/29 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Fitted style
  • Part of the ColdGear collection

Guide Gear Women's Lightweight Base Layer Top

Key Features

  • 97/3 polyester/spandex
  • Stretch fabric with raglan sleeves
  • Moisture-wicking, fast-drying
  • Thumbholes
  • Tagless label
Buyer's Club
$17.99
Non-Member $19.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 97/3 polyester/spandex
  • Stretch fabric with raglan sleeves
  • Moisture-wicking, fast-drying
  • Thumbholes
  • Tagless label

Brooklyn Armed Forces Midweight Base Layer Long Sleeve Shirt

Key Features

  • Military spec, manufactured by government contractor
  • Moisture-wicking polyester
  • Antimicrobial for lasting freshness
  • Flat seam construction resists chafing
On-Sale!   Was $22.99
Buyer's Club
$17.09
Non-Member $18.99
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • Military spec, manufactured by government contractor
  • Moisture-wicking polyester
  • Antimicrobial for lasting freshness
  • Flat seam construction resists chafing

Under Armour Women's Base 4.0 Base Layer Bottoms

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Wide, flat waistband
  • Fitted style
  • Part of the ColdGear collection
On-Sale!   Was $100.00
Club Pricing Applied at Checkout!
Non-Member $70.00
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • 81/19 polyester/elasterell
  • UA Scent Control with Microban®
  • 4-way stretch
  • Moisture-wicking, fast-drying
  • Heat-trapping grid interior
  • Wide, flat waistband
  • Fitted style
  • Part of the ColdGear collection

U.S. Military Surplus Midweight Base Layer Pants, New

Key Features

  • U.S. military issue
  • Made in USA
  • Moisture-wicking polyester
  • Antimicrobial for lasting freshness
  • Flat seam construction resists chafing
  • New condition
Clearance!   Was $22.99
Buyer's Club
$14.48
Non-Member $16.09
ALL CLUB ORDERS $49+ SHIP FREE!

Key Features

  • U.S. military issue
  • Made in USA
  • Moisture-wicking polyester
  • Antimicrobial for lasting freshness
  • Flat seam construction resists chafing
  • New condition