Underwear & Base Layer

Save big on Underwear at Sportsman's Guide. Every guy could use a couple new pairs of Boxers or Briefs in their life; but we have more to offer like Thermals, Long Underwear, Compression Shorts, Scent Proof Base Layers, Long Johns, and more.

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  1. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Pants

    3 stars
    (26)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

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

    4 stars
    (28)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

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

    4 stars
    (59)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

    4 stars
    (34)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

    5 stars
    (51)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    In Stock

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

    4 stars
    (39)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  3. 6-Pk. Guide Gear® Boxer Briefs

    5 stars
    (100)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

  4. New U.S. Military Surplus Polartec® X-static® Long-sleeved Crew Shirt, Coyote

    5 stars
    (11)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $50.00

    In Stock

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

    5 stars
    (36)
    Buyer's Club $26.99 Non-Member $29.99

    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. 32 Degrees HEAT® Heat Fleece Top

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

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

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

    In Stock

  1. 32 Degrees HEAT® Heat Fleece Bottoms

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  2. 6-Pk. of Guide Gear® Pouch Briefs, Camo

    5 stars
    (21)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

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

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  4. 4 Hanes® Flannel Boxers

    4 stars
    (9)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $40.00

    In Stock

  1. Carhartt® Base Force Midweight Crew Top

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

    In Stock

  2. Carhartt® Base Force Midweight Bottoms

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

    In Stock

  3. Clam™ Ice Armor™ Base Layer Fleece Bottom

    5 stars
    (5)
    Buyer's Club $29.69 Non-Member $32.99

    Item is currently on backorder

  4. Clam™ Ice Armor™ Base Layer Fleece Top

    4 stars
    (3)
    Buyer's Club $29.69 Non-Member $32.99

    Item is currently on backorder

  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® 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® Compression Shorts

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

    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. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

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

    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™ Cool Weather Weight Long Underwear Bottoms, Black

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

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

    In Stock

  2. 3-Pk. Hanes® Big Man Boxer Briefs

     
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    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

  4. 3-Pk. Hanes® Big Man ComfortSoft Heavyweight Crew Neck T-shirts, White

     
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

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

    In Stock

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These long johns and underwear are great for Outdoors activities. We carry many of your favorite brands like Under Armour, Guide Gear, WSI, and 5.11 Tactical.

Related Products

WSI® Arctic HEATR® Vent Shirt, Black

Item # WX2-219818

Starting at...
Buyer's Club $71.99 Non-Member $79.99

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WSI® Arctic HEATR® Vent Shirt provides athletic warmth and breathability.

A thin, super-light warming layer, made from a combination of 3 fabrics: 1. HEATR® fabric in the collar for extra warmth. 2. WikMax™ fabric for moisture-wicking comfort thinner in the underarms for added ventilation, thicker in the torso and arms for added insulation. 3. Spandex for a good fit. 1/4-zip front with stand-up collar. Made in the USA. Machine wash / dry.

State Size, as available in the Shopping Cart.

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

Item # WX2-427603

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

Add to Wishlist

Carhartt® Base ForceTM Cool Weather Weight Long Underwear Bottoms. Working up a sweat? Stay comfortable and fresh.

Wear these specially-treated, moisture-wicking Long Underwear Bottoms as a base layer when the temps are chilly, indoors or out.

Clocked in:
  • 4.5-oz. 100% polyester midweight knit
  • Force™ fabric wicks away moisture, has an antimicrobial finish so you stay fresh
  • Smooth flat lock seams for comfort
  • Comfortable tapered cuffs seal out chill
  • 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.

Men's Guide Gear® Kingsilk Bottoms, Black

Item # WX2-208077

4 stars
Starting at...
Buyer's Club $26.99 Non-Member $29.99

Add to Wishlist

Guide Gear® Kingsilk Base Layers, BIG BUCKS OFF!

Ounce for ounce, silk is the warmest fabric there is. Naturally moisture wicking, dry and comfortable. Smooth surface won't catch or cling to clothing. Bottoms have an elastic waistband. Imported. Machine wash / hang dry.

State Size, as available in the Shopping Cart. Order Now!

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

Scent Blocker® S3® Arctic Fleece Base Layer Pants

Item # WX2-227054

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. 

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