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. 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

  2. 32 Degrees HEAT Base Layer Bottoms

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

    In Stock

  3. Polar King Thermal Bottoms

    3 stars
    (4)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

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

    4 stars
    (43)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    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. Polar King Thermal Top

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

    In Stock

  3. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

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

    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. 32 Degrees HEAT Heat Fleece Top

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

    In Stock

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

    4 stars
    (27)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    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. Under Armour Base 2.0 Crew

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

    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 3.0™ Leggings

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

    Item is currently on backorder

  1. Under Armour® Base 2.0™ Leggings

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

    In Stock

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

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

    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. Terramar Thermolator Leggings

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  2. Carhartt® Base Force Midweight Bottoms

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  3. Terramar Thermolator 1/2-zip Top

    5 stars
    (1)
    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. Outdoor Research® Sequence™ Leggings

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

    In Stock

  2. Outdoor Research® Sequence™ Long-sleeved Crew

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

    In Stock

  3. 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

  4. 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

  1. 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

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

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

    In Stock

  3. 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

  4. WSI® Arctic HEATR® Vent Shirt, Black

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

    In Stock

  1. 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

  2. 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

  3. 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

  4. Men's WSI® Compression Shorts

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

    In Stock

  1. WSI® WikMax HEATR® 1/4-zip Top

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

    In Stock

  2. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

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

    In Stock

  3. Carhartt® Heavyweight Crewneck Shirt

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

    In Stock

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

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

    In Stock

  1. Volt Resistance™ TACTICAL 7V™ Heated Base Layer

     
    Buyer's Club $112.49 Non-Member $124.99 Compare at $129.95

    In Stock

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

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

    In Stock

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

     
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. BLACKHAWK!® Engineered-Fit 1/4-zip Short Sleeve Shirt

     
    Buyer's Club $40.49 Non-Member $44.99 Compare at $49.99

    In Stock

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

    5 stars
    (1)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    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.

2-Pk. TRU-SPEC CORDURA Base Layer Boxer Briefs

Item # WX2-618726

  • 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

2-Pk. TRU-SPEC® CORDURA® Base Layer Boxer Briefs. Defend your base!

No melt. No drip. No sweat. Put a layer of protection against your skin with one of the world's toughest undergarments.

Details:

  • CORDURA® 60/40 cotton / nylon fabric is no-melt / no-drip, and it absorbs more moisture and dries faster than 100% cotton
  • Won't melt or drip like polyester
  • Flat-lock seams for no-chafe comfort
  • Elastic waistband with gripper to secure your shirttail
  • Rib-knit hem
  • Machine wash / dry
  • Imported

State Size, as available in the Shopping Cart.

!!! Limited Quantities !!!

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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