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

    4 stars
    (23)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

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

    5 stars
    (59)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    In Stock

  3. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

    5 stars
    (17)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

    4 stars
    (64)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  1. Under Armour® ColdGear® Infrared EVO Leggings

    4 stars
    (13)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

    4 stars
    (17)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  3. Men's Guide Gear® Kingsilk Bottoms, Black

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

    In Stock

  4. Polar King® Thermal Bottoms

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  1. 32 Degrees HEAT® Base Layer Bottoms

    5 stars
    (5)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. Polar King® Thermal Top

    5 stars
    (1)
    Buyer's Club $17.99 Non-Member $19.99

    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. Men's Guide Gear® Kingsilk Crew Top, Black

    4 stars
    (42)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  1. 32 Degrees HEAT® Base Layer Crew-neck Top

    4 stars
    (4)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. Under Armour® Base 2.0™ Leggings

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

    In Stock

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

    4 stars
    (32)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  4. Under Armour® Base 3.0™ Leggings

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

    In Stock

  1. Under Armour® Base 2.0™ Crew

     
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. Under Armour® Base 3.0™ Crew

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

    In Stock

  3. 4 Hanes® Flannel Boxers

    4 stars
    (15)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $40.00

    In Stock

  4. 32 Degrees HEAT® Heat Fleece Top

    5 stars
    (1)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. 32 Degrees HEAT® Heat Fleece Bottoms

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

    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. Terramar® Thermolator Leggings

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  4. Carhartt® Irregular Base Force® Super PT Bottoms

     
    Buyer's Club $17.99 Non-Member $19.99 Compare at $44.99

    In Stock

  1. 6-Pk. Guide Gear® Pouch Briefs

    5 stars
    (79)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

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

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

    In Stock

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

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

    In Stock

  4. Terramar® Thermolator 1/2-zip Top

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  1. Carhartt® Base Force Midweight Bottoms

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

    In Stock

  2. Carhartt® Base Force Midweight Crew Top

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

    In Stock

  3. Outdoor Research® Sequence™ Long-sleeved Crew

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

    In Stock

  4. Outdoor Research® Sequence™ Leggings

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

    In Stock

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

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

    Item is currently on backorder

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

    5 stars
    (2)
    Buyer's Club $35.99 Non-Member $39.99 Compare at $45.99

    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. 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® 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® Compression Shorts

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

    In Stock

  3. 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

  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. 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

  2. Carhartt® Heavyweight Crewneck Shirt

    5 stars
    (1)
    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 $39.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

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

    In Stock

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

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

    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 $17.99 Non-Member $19.99

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® Super Skin™ Base Layer Shirt

Item # WX2-227049

  • Info

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

Starting at...
Buyer's Club $35.99 Non-Member $39.99

Add to Wishlist

Scent Blocker® Super SkinTM Base Layer Long-sleeved Shirt. Hunt hard, stay warm.

Best of both worlds... blended Merino wool and polyester. Provides a super-effective temperature-controlling, moisture-wicking, quick-drying layer. S3® Advanced antimicrobial technology inhibits odor-causing bacteria.

Form-fitting, easy-moving comfort in all sorts of conditions! Merino blend material also makes for a durable garment that resists shrinking. Flat seams prevent chafing. Shirt: Crewneck, thumb loops. Imported.

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

Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

Item # WX2-427601

5 stars
  • Info

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

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

Add to Wishlist

Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms are up on warmth and comfort.

A base layer to wear under, on those days when jeans, khakis or work pants aren't enough to keep cold away. Made of 9.5-oz., moisture-wicking 100% ringspun cotton knit for softness and toastiness. Reinforced stitching on all seams means these wear long. Ribknit cuffs seal out chill. Elastic waist with Carhartt® logo. Machine wash / dry. Imported.

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

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