Underwear & Base Layer

Save big on 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!

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

    5 stars
    (66)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  2. 32 Degrees HEAT Base Layer Bottoms

    5 stars
    (12)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

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

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

    In Stock

  4. Polar King Thermal Bottoms

    3 stars
    (5)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  1. 32 Degrees HEAT Base Layer Crew-neck Top

    5 stars
    (7)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

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

    4 stars
    (45)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

    5 stars
    (71)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  4. Polar King Thermal Top

    3 stars
    (5)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  1. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

    5 stars
    (20)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. 32 Degrees HEAT Heat Fleece Top

    5 stars
    (2)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  3. 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

  4. Under Armour® ColdGear® Infrared EVO Leggings

    4 stars
    (15)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. 2-Pk. of Indera Mills Colored Thermal Long John Bottoms

    4 stars
    (28)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  2. 6-Pk. Guide Gear Pouch Briefs

    5 stars
    (81)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

  3. 2-Pk. of Indera Mills Colored Thermal Long John Tops

    4 stars
    (21)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  4. 32 Degrees HEAT Heat Fleece Bottoms

    4 stars
    (4)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. Carhartt® Irregular Base Force® Super PT Bottoms

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

    In Stock

  2. 6-Pk. Guide Gear® Boxer Briefs

    5 stars
    (102)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

  3. Under Armour® Base 3.0™ Crew

    5 stars
    (1)
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. Under Armour Base 2.0 Crew

    5 stars
    (3)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

    4 stars
    (29)
    Buyer's Club $8.99 Non-Member $9.99 Compare at $25.00

    Item is currently on backorder

  2. Under Armour® Base 2.0™ Leggings

    4 stars
    (4)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. Under Armour® Base 3.0™ Leggings

     
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    Item is currently on backorder

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

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

    In Stock

  1. 6-Pk. of Guide Gear® Camp Base Boxer Briefs, Camo

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

    In Stock

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

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

    In Stock

  3. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Pants

    3 stars
    (31)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  4. 4 Hanes Flannel Boxers

    4 stars
    (17)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $40.00

    In Stock

  1. 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

  2. Carhartt® Base Force Midweight Bottoms

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  3. Terramar Thermolator Leggings

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  4. Carhartt Base Force Midweight Crew Top

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  1. 6-Pk. of Guide Gear® Pouch Briefs, Camo

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

    In Stock

  2. Terramar Thermolator 1/2-zip Top

    5 stars
    (1)
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  3. Outdoor Research® Sequence™ Leggings

     
    Non-Member $59.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. Outdoor Research® Sequence™ Long-sleeved Crew

     
    Non-Member $59.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Guide Gear® Balaclava, Black

    4 stars
    (11)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $30.00

    Item is currently on backorder

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

    5 stars
    (3)
    Buyer's Club $35.99 Non-Member $39.99 Compare at $45.99

    In Stock

  3. 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

  4. Men's WSI® WikMax HEATR® Pants, Black

     
    Buyer's Club $116.99 Non-Member $129.99 Compare at $139.99

    In Stock

  1. Men's WSI® Microtech Fitted Long-sleeve Shirt

    3 stars
    (6)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $21.99

    In Stock

  2. WSI® Arctic HEATR® Vent Shirt, Black

     
    Buyer's Club $71.99 Non-Member $79.99 Compare at $89.99

    In Stock

  3. Men's WSI® Microtech Loose Long-sleeve Shirt, Black

    4 stars
    (6)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $25.99

    In Stock

  4. Men's WSI® Microtech Fitted Sleeveless Shirt

    4 stars
    (4)
    Buyer's Club $13.49 Non-Member $14.99 Compare at $17.99

    In Stock

  1. WSI® Microtech Neon Green Fitted Long-sleeved Shirt

    3 stars
    (1)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $21.99

    In Stock

  2. 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

  3. Men's WSI® Compression Shorts

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

    In Stock

  4. WSI® WikMax HEATR® 1/4-zip Top

     
    Buyer's Club $116.99 Non-Member $129.99 Compare at $139.99

    In Stock

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Related Products

32 Degrees HEAT Base Layer Bottoms

Item # WX2-610526

  • Info

    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

Add to Wishlist

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
  • Machine wash / hang dry
  • Imported.

State Color and Size, as available in Shopping Cart.

Scent Blocker® S3® Arctic Fleece Base Layer Pants

Item # WX2-227054

  • Info

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

Starting at...
Buyer's Club $62.99 Non-Member $69.99

Add to Wishlist

Scent Blocker® S3® Arctic Fleece Base Layer Pants. Maximum heat retention, minimum weight.

But here's the real trick... Arctic Fleece Base Layers retain all that heat without turning you into a sweat-soaked mess. That's because they're not only warm, but supremely breathable, moisture-wicking and quick-drying. Add to that Scent Blocker®'s S3® antimicrobial technology to assist in controlling odors, and you've got yourself the perfect Base Layer for hunting in frigid temps!

Pants:
  • Elastic waist band
  • Elastic cuffs
  • Boxer style front fly. Black.

State Size, as available in the Shopping Cart. 

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 $39.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

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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