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.

Grid List
Sort By:
1-38 of 38
Show:
Pages:
  1. 1
1
  1. 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

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

    3 stars
    (25)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

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

    4 stars
    (38)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

    4 stars
    (27)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  1. 6-Pk. Guide Gear® Boxer Briefs

    5 stars
    (96)
    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
    (48)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    In Stock

  3. 6-Pk. of Guide Gear® Camp Base Boxer Briefs, Camo

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

    In Stock

  4. 6-Pk. of Guide Gear® Pouch Briefs, Camo

    5 stars
    (20)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. 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

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

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

    In Stock

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

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

    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. Clam™ Ice Armor™ Base Layer Fleece Bottom

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

    Item is currently on backorder

  2. Clam™ Ice Armor™ Base Layer Fleece Top

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

    Item is currently on backorder

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

     
    Buyer's Club $22.49 Non-Member $24.99

    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. 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

  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® Microtech Zipper Polo, Black

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

    In Stock

  4. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

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

    In Stock

  1. Carhartt® Heavyweight Crewneck Shirt

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

    In Stock

  2. Carhartt® Midweight Cotton Union Suit, Red

     
    Non-Member $36.99 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. 5.11 Tactical® Winter Leggings

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

    In Stock

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

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

    In Stock

  4. 5.11 Tactical® Sports Boxer Brief

    4 stars
    (1)
    Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Men's 5.11 Tactical® Sports Brief

     
    Non-Member $24.99 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. 5.11 Tactical® Utili - T Long - sleeve Shirts, 2 - pack

    4 stars
    (2)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. 5.11 Tactical® Loose Fit Crew Shirt

     
    Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. 5.11 Tactical® Utili-T Crew Shirts, 3-Pk.

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. 5.11 Tactical® Tight Crew Long - sleeve Shirt

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

    In Stock

  3. 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

  4. 5.11 Tactical® Performance Winter Mock

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

    In Stock

  1. 5.11 Tactical® Tight Crew Short - sleeve Shirt

     
    Non-Member $24.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

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

    In Stock

1-38 of 38
Show:
Pages:
  1. 1
1

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.

Join or Renew The Sportsman’s Guide Buyer’s Club® Today!

$29.99 per year   • Save up to 10% on purchases every day.
Join Renew More Info