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. of Guide Gear Camp Base Boxer Briefs, Camo

    5 stars
    (41)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $57.00

    In Stock

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

    4 stars
    (51)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

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

    In Stock

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

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

    In Stock

  1. 6-Pk. Guide Gear Boxer Briefs

    5 stars
    (112)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

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

    5 stars
    (69)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    In Stock

  3. Carhartt Force Super Cold Weather Thermal Underwear Shirt, Black

    5 stars
    (1)
    Buyer's Club $40.49 Non-Member $44.99

    In Stock

  4. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Tops

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

    In Stock

  1. Carhartt Base Force Midweight Bottoms

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  2. Carhartt Base Force Midweight Crew Top

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

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

    5 stars
    (1)
    Buyer's Club $40.49 Non-Member $44.99

    In Stock

  4. Outdoor Research Sequence Leggings

     
    Non-Member $49.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Outdoor Research Sequence Long-sleeved Crew

     
    Non-Member $49.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. Men's WSI® Arctic WikMax™ Pants, Black

    5 stars
    (1)
    Buyer's Club $44.99 Non-Member $49.99 Compare at $59.99

    In Stock

  3. Men's WSI® Arctic Microtech Long-sleeve Cold Weather Performance Shirt

    5 stars
    (4)
    Buyer's Club $35.99 Non-Member $39.99 Compare at $45.99

    In Stock

  4. Men's WSI® Microtech Zipper Polo, Black

    3 stars
    (1)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $35.99

    In Stock

  1. Men's WSI® Compression Shorts

    2 stars
    (2)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $27.99

    In Stock

  2. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

    5 stars
    (6)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. Carhartt® Base Force™ Cold Weather Weight Long Underwear Bottoms, Black

     
    Non-Member $44.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. Carhartt® Base Force™ Cold Weather Weight Crewneck Shirt, Black

     
    Non-Member $44.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Carhartt® Heavyweight Crewneck Shirt

    5 stars
    (3)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  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!

    In Stock

  3. Carhartt® Base Force™ Cool Weather Weight Crewneck Shirt, Black

     
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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Related Products

32 Degrees HEAT Base Layer Bottoms

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

Buyer's Club $13.49 Non-Member $14.99

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32 Degrees HEAT® Base Layer Bottoms do everything you want your Long Johns to do. PRICED LOW!

Layer up for the next polar vortex! Not only does every fiber help retain body heat, but they also minimize unpleasant odor caused by sweating. Plus, these Base Layer Bottoms are quick-drying to wick away moisture, keeping you dry and comfortable.

Can't stand static? No worries with these Bottoms... they contain a special anti-static agent to reduce clings and discomfort. And they come in so many vibrant colors for when you just want to lounge around in them... you haven't loved Long Johns this much since you were a kid!

Bottoms up:

  • Stretch yarns maximize long-term comfort in a lasting shape
  • Soft-hand feel with 37/34/25/4 acrylic / polyester / rayon / spandex blend
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State Color and Size, as available in Shopping Cart.

Browning Hell's Canyon Midweight Base Layer Top, Realtree Xtra Camo

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Browning® Hell's Canyon Midweight Base Layer Top. A good day of hunting starts with the right gear!

Your freeze-fighting foundation! Effectively combat cold weather with this Browning® Hell's Canyon Midweight Base Layer Top. Slip it on before your outerwear for increased warmth without extra bulk. Plus, it features Odorsmart antimicrobial technology, which helps control bacteria that causes human odor.

Features:
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  • Smooth face with fleece inner layer adds comfort
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State Size, as available in the Shopping Cart.

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

Item # WX2-216818

5 stars
(41)
  • Info

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

Buyer's Club $26.99 Non-Member $29.99 Compare at $57.00

Add to Wishlist

6-Pk. of Guide Gear® Base Camp Boxer Briefs! They're camo mens underwear, but you can't conceal the comfort and value!

Chances are these Briefs will mostly be "concealed" by your clothes anyway, but they are a cool Camo pattern! And they are 100% cotton underwear that's soft, breathable and all-around comfortable.

Comes with elastic waistband, rib-knit edges, smooth flat needle stitching and a pass-through fly. Machine wash / dry. Imported.

State Size, as available in the Shopping Cart. 

Built to Sportsman's Guide's exact specifications, Guide Gear stands for dependability, long-lasting quality and unmatched value!  Guaranteed!

Carhartt® Base Force™ Cold Weather Weight Long Underwear Bottoms, Black

Item # WX2-427606

  • Info

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

Starting at...
Non-Member $44.99 Buyer's Club Discount Applied at Checkout!

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Carhartt® Base ForceTM Cold Weather Weight Long Underwear Bottoms. Stay comfortable and fresh while you work up a sweat.

Just because it's cold on the job doesn't mean you won't perspire. Wear these specially-treated, moisture-wicking Long Underwear Bottoms as a base layer when the temps are chilly, indoors or out.

Stay cool:
  • 8-oz. 100% polyester heavyweight knit
  • Force™ fabric wicks away moisture, has an antimicrobial finish so you stay fresh
  • Smooth flat lock seams for comfort
  • Ribknit cuffs for warmth, comfort
  • Elastic waist with Carhartt® logo printed on bottom hem
  • Carhartt Force logo printed on back
  • Machine wash / dry. Imported.

State Size, as available in the Shopping Cart.

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