Underwear & Base Layer

Stay warm and dry this season with Hunting Underwear from Sportsman's Guide. Shop for Long Johns, Base Layers, Thermal Underwear for hunting and your other outdoor activities. Shop The Guide's selection for unbeatable deals from top brands such as Guide Gear, Carhartt, WSI, 5.11 Tactical, Under Armour and many more and save BIG!

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

    5 stars
    (72)
    Compare at $40.00 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $22.01 (55%)

  2. Carhartt Irregular Base Force Super PT Bottoms

    4 stars
    (2)
    Compare at $44.99 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $27.00 (60%)

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

    4 stars
    (54)
    Compare at $40.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $13.01 (33%)

  4. Browning® Hell's Canyon Midweight Base Layer Top, Realtree Xtra® Camo

    3 stars
    (2)
    Compare at $66.00 Was $59.99 Clearance $39.99

    You Save $26.01 (39%)

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

    4 stars
    (47)
    Compare at $40.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $13.01 (33%)

  2. 4 Hanes Flannel Boxers

    4 stars
    (18)
    Was $24.99 Clearance $11.99
  3. Browning® Hell's Canyon Midweight Base Layer Pants, Realtree Xtra® Camo

    1 stars
    (1)
    Was $49.99 Clearance $34.99
  4. 5.11 Tactical® Winter Leggings

    4 stars
    (3)
    Non-Member $39.99 Buyer's Club Discount Applied at Checkout!
  1. Carhartt® Base Force™ Cool Weather Weight Long Underwear Bottoms, Black

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  2. 5.11 Tactical® Tight Crew Short - sleeve Shirt

     
    Non-Member $27.99 Buyer's Club Discount Applied at Checkout!
  3. 5.11 Tactical® Tight Crew Long - sleeve Shirt

    5 stars
    (1)
    Non-Member $32.99 Buyer's Club Discount Applied at Checkout!
  4. 5.11 Tactical® Utili-T Crew Shirts, 3-Pk.

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  1. 5.11 Tactical® Loose Fit Crew Shirt

    5 stars
    (1)
    Non-Member $27.99 Buyer's Club Discount Applied at Checkout!
  2. 5.11 Tactical® Utili - T Long - sleeve Shirts, 2 - pack

    4 stars
    (2)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  3. Carhartt® Base Force™ Cold Weather Weight Long Underwear Bottoms, Black

     
    Non-Member $44.99 Buyer's Club Discount Applied at Checkout!
  4. Women's Onyx X-System® Heavyweight Fleece Pants, Black

    1 stars
    (1)
    Compare at $52.00 Non-Member $44.99 Buyer's Club $40.49

    You Save $11.51 (22%)

  1. Carhartt® Heavyweight Crewneck Shirt

    5 stars
    (4)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!
  2. 5.11 Tactical® Performance Winter Mock

     
    Non-Member $49.99 Buyer's Club Discount Applied at Checkout!
  3. Carhartt® Base Force™ Cool Weather Weight Crewneck Shirt, Black

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  4. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

    5 stars
    (6)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!
  1. Carhartt® Base Force™ Cold Weather Weight Crewneck Shirt, Black

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

Carhartt® Heavyweight Crewneck Shirt

Item # WX2-427600

5 stars
(4)
  • 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 Crewneck Shirt. Made heavy-duty for your heavy duties!

"Works" on its own, or as a warm base layer. Made of 9.5-oz., moisture-wicking 100% ringspun cotton knit for comfort as soft as your weekend T-shirt, and construction that holds up! Rib-knit cuffs and crewneck for long wear... plus your sleeves roll up and stay up when you need them to. No-scratch tagless neck label. Carhartt® logo printed on front. Machine wash / dry. Imported.

State Color and Size, as available in the Shopping Cart. Your all-around workday staple.

Carhartt® Midweight Cotton Union Suit, Red

Item # WX2-427602

  • Info

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

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

Add to Wishlist

Carhartt® Midweight Cotton Union Suit. A warm base underneath it all.

Layer under coveralls, or jeans and a sweatshirt or flannel shirt... when one layer isn't enough to keep cold away. Made of 8-oz., 100% ringspun cotton knit for softness and toastiness. Reinforced stitching on all seams means these wear long. Ribknit neck and cuffs seal out chill, and ensure your rolled-up sleeves stay that way! Carhartt® logo printed on chest. Machine wash / dry. Imported.

State Size, as available in the Shopping Cart. Wonderful "unders!"

Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

Item # WX2-427601

5 stars
(6)
  • 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!

5.11 Tactical® Loose Fit Crew Shirt

Item # WX2-230301

5 stars
(1)
  • Info

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

Starting at...
Non-Member $27.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

5.11 Tactical® Loose Fit Underwear Crew Shirt Mens underwear base layer allows for a free - and - easy feel under tactical equipment!

Having the right underwear shirt for a ballistic vest is crucial for comfort and performance. The 5.11 Loose Fit Crew Short Sleeve Underwear Shirt fits that need with its unique design and features. This loose fit crew is designed for wear under body armor but is also great for casual and workout wear. Underwear layers available in short- and long-sleeve loose fit crews and short-sleeve v-necks, these loose fit crews are a necessity for body armor wear.

  • Mens underwear is made with 100% polyester
  • Mild athletic compression fit
  • Underwear base layers with anti-microbial, quick-drying, moisture-wicking comfort
  • Strong, durable flat-lock seams
  • Underarm mesh panels give this underwear venting printed label prevents chafing
  • Machine wash / dry. Imported.

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

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