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. 6-Pk. Guide Gear Boxer Briefs

    5 stars
    (117)
    Compare at $38.00 Was $29.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $15.51 (41%)

  2. 6-Pk. of Guide Gear Camp Base Boxer Briefs, Camo

    5 stars
    (42)
    Compare at $57.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $30.01 (53%)

  3. 6-Pk. of Guide Gear Pouch Briefs, Camo

    5 stars
    (23)
    Compare at $42.00 Was $29.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $19.51 (46%)

  4. Men's Guide Gear Silk Base Layer Bottom, Black

    4 stars
    (54)
    Compare at $40.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $13.01 (33%)

  1. Men's Guide Gear Silk Base Layer Crewneck, Black

    4 stars
    (47)
    Compare at $40.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $13.01 (33%)

  2. Carhartt Force Super Cold Weather Thermal Underwear Pants, Black

    5 stars
    (1)
    Non-Member $44.99 Buyer's Club $40.49
  3. Carhartt Force Super Cold Weather Thermal Underwear Shirt, Black

    5 stars
    (1)
    Non-Member $44.99 Buyer's Club $40.49
  4. Carhartt Base Force Midweight Crew Top

     
    Non-Member $34.99 Buyer's Club $31.49
  1. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Tops

    4 stars
    (33)
    Compare at $50.00 Non-Member $29.99 Buyer's Club $26.99

    You Save $23.01 (46%)

  2. Carhartt® Irregular Base Force® Super Cold Weather Bottoms

    4 stars
    (2)
    Non-Member $34.99 Buyer's Club $31.49
  3. Carhartt Base Force Midweight Bottoms

     
    Non-Member $34.99 Buyer's Club $31.49
  4. Carhartt® Irregular Base Force® Super PT Top

     
    Compare at $44.99 Was $29.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $22.50 (50%)

  1. Guide Gear® 10-oz. Poly-fleece Union Suit, Brown

    5 stars
    (71)
    Compare at $75.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $48.01 (64%)

  2. Carhartt® Base Force™ Cool Weather Weight Long Underwear Bottoms, Black

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  3. Carhartt® Heavyweight Crewneck Shirt

    5 stars
    (4)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!
  4. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

    5 stars
    (6)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!
  1. Carhartt® Base Force™ Cool Weather Weight Crewneck Shirt, Black

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  2. Carhartt® Base Force™ Cold Weather Weight Crewneck Shirt, Black

     
    Non-Member $44.99 Buyer's Club Discount Applied at Checkout!
  3. Carhartt® Base Force™ Cold Weather Weight Long Underwear Bottoms, Black

     
    Non-Member $44.99 Buyer's Club Discount Applied at Checkout!
  4. Carhartt® Midweight Cotton Union Suit, Red

     
    Non-Member $39.99 Buyer's Club Discount Applied at Checkout!
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