Underwear & Base Layer

Save big on Men's Underwear at Sportsman's Guide. Every guy could use a couple new pairs of Boxers or Briefs and at Sportsman's Guide you can also choose from Thermal Long Underwear, Compression Shorts, Base Layers, Long Johns to name just a few. These Long Johns and Underwear are great for Outdoors activities. We carry many of your favorite brands like Guide Gear, WSI, Carhartt and more! Shop all Underwear and enjoy the lowest prices, guaranteed!

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  1. Guide Gear Performance T-shirt

     
    Compare at $25.00 Non-Member $14.99 Buyer's Club $13.49

    You Save $11.51 (46%)

  2. 6-Pk. Guide Gear Pouch Briefs

    5 stars
    (91)
    Compare at $38.00 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $20.01 (53%)

  3. Guide Gear 10-oz. Brown Poly-fleece Crew-neck Top

    5 stars
    (72)
    Compare at $40.00 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $22.01 (55%)

  4. Guide Gear 10-oz. Brown Poly-fleece Bottoms

    5 stars
    (69)
    Compare at $40.00 Was $39.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $22.01 (55%)

  1. 32 Degrees HEAT Base Layer Bottoms

    4 stars
    (16)
    Clearance $19.99
  2. 32 Degrees HEAT Base Layer Crew-neck Top

    5 stars
    (14)
    Clearance $19.99
  3. 2-Pk. of Indera Mills Colored Thermal Long John Bottoms

    4 stars
    (28)
    Compare at $32.00 Was $24.99 Clearance $14.99

    You Save $17.01 (53%)

  4. Polar King Thermal Top

    3 stars
    (5)
    Was $24.99 Clearance $9.99
  1. 2-Pk. of Indera Mills Colored Thermal Long John Tops

    4 stars
    (21)
    Compare at $32.00 Was $24.99 Clearance $14.99

    You Save $17.01 (53%)

  2. Carhartt Irregular Base Force Super PT Bottoms

    4 stars
    (2)
    Compare at $44.99 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $27.00 (60%)

  3. Polar King Thermal Bottoms

    4 stars
    (6)
    Was $24.99 Clearance $9.99
  4. 32 Degrees HEAT Heat Fleece Top

    5 stars
    (2)
    Was $24.99 Clearance $14.99
  1. Carhartt Irregular Base Force Cold Weather Crew Neck Shirt, Black

     
    Was $24.99 Non-Member $19.99 Buyer's Club $17.99
  2. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Pants

    3 stars
    (32)
    Was $29.99 Clearance $14.99
  3. 32 Degrees HEAT Heat Fleece Bottoms

    4 stars
    (7)
    Was $24.99 Clearance $19.99
  4. Terramar Thermolator Leggings

     
    Was $29.99 Non-Member $19.99 Buyer's Club $17.99
  1. 4 Hanes Flannel Boxers

    4 stars
    (18)
    Was $24.99 Clearance $11.99
  2. Terramar Thermolator 1/2-zip Top

    5 stars
    (2)
    Was $29.99 Non-Member $19.99 Buyer's Club $17.99
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Related Products

Men's Under Armour ColdGear EVO Base Layer Leggings

Item # WX2-592263

3 stars
(1)
  • Info

    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Was $74.99 Non-Member $57.99 Buyer's Club $52.19

Add to Wishlist

Under Armour® ColdGear® EVO Scent Control Base Layer Leggings. The ultimate in warm, scent-stealthy, near-silent hunting gear.

Under Armour® is the original moisture-wicking performance wear, favored by top athletes and hunters. As a base layer, it's unbeatable at keeping you at your best. Infrared fabric technology holds in heat without adding bulk. Scent-control tech keeps your scent under wraps.

Get into the best:

  • 87/13 polyester / elastane ColdGear® fabric, with snugly supportive compression fit and moisture-wicking comfort
  • Brushed fabric stays quiet in the field
  • Infrared fabric technology locks in warmth without adding bulk
  • Scent-control technology masks you from your prey and lasts 10X longer than carbon
  • Flat-lock seams won't chafe
  • Antimicrobial to inhibit odor bacteria
  • Leggings have working fly
  • Machine wash / hang dry. Imported.

State Color and Size, as available in the Shopping Cart.

Men's Under Armour ColdGear EVO Base Layer Mock Shirt

Item # WX2-592262

4 stars
(2)
  • Info

    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Was $74.99 Non-Member $57.99 Buyer's Club $52.19

Add to Wishlist

Under Armour® ColdGear® EVO Scent Control Base Layer Shirt. The ultimate in warm, scent-stealthy, near-silent hunting gear.

Under Armour® is the original moisture-wicking performance wear, favored by top athletes and hunters. As a base layer, it's unbeatable at keeping you at your best. Infrared fabric technology holds in heat without adding bulk. Scent-control tech keeps your scent under wraps.

Get into the best:

  • 87/13 polyester / elastane ColdGear® fabric, with snugly supportive compression fit and moisture-wicking comfort
  • Brushed fabric stays quiet in the field
  • Infrared fabric technology locks in warmth without adding bulk
  • Scent-control technology masks you from your prey and lasts 10X longer than carbon
  • Flat-lock seams won't chafe
  • Antimicrobial to inhibit odor bacteria
  • Shirt has mock turtleneck
  • Machine wash / hang dry. Imported.

State Size and Color, as available in the Shopping Cart.

5.11 Tactical® Sports Boxer Brief

Item # WX2-230308

3 stars
(2)
  • Info

    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

5.11 Tactical® 9" Sports Boxer Brief Underwear Underwear that will stretch and move with you, for comfort while you run, bend, walk, or jog!

You'll say goodbye to your tighty-whities once you give these Sport Boxer Brief Underwear a try. Mens underwear made with a polyester / spandex blend, our briefs have great breathability and are comfortable and quick-drying. 5.11's Sport Boxer Brief Mens Underwear are the only briefs with moisture-moving 3D-Wicking technology. Machine wash / dry underwear. Imported.

State Size and Color, as available in the Shopping Cart.

Women's Onyx X-System® Heavyweight Fleece Pants, Black

Item # WX2-301245

1 stars
(1)
  • Info

    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Compare at $52.00 Non-Member $44.99 Buyer's Club $40.49

You Save $11.51 (22%)

Add to Wishlist

Women's Onyx X-System® Heavyweight Fleece Pullover Pants, the ultimate layer for scent control and warmth!

Warm, thick 320-gram 4-way stretch polyester fleece that's warm, quiet and tough. Odor-control technology that requires NO reactivation or regeneration. Just what serious hunters need to stay one step ahead!

Features:
  • 320-gram 4-way stretch 100% poly fleece is warm, moisture-wicking, breathable, and quiet
  • X-System technology provides dual-action odor and scent control, and requires no reactivation
  • Double-needle stitching on legs for maximum durability
  • Front seams are shaped for a flattering fit.
  • Machine wash / hang dry. Imported.
  • Elastic waist.

State Size, as available in the Shopping Cart. Get yours for full odor-control protection!

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