Underwear & Base Layer

Sportsman's Guide has a great selection of high quality Military Surplus Underwear and Military Style Base Layers. You'll always find the Military Underwear you need right here, at the lowest prices... guaranteed! 

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Related Products

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!

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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!

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

Item # WX2-427605

  • Info

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

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

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Carhartt® Base ForceTM Cold Weather Weight Crewneck Shirt. Because when you're working hard, you work up a sweat, even when it's cold.

Crisp outdoors? Chilly indoors? Cold temps don't mean you won't perspire when you're working. Wear this specially-treated, moisture-wicking Shirt on its own or as a base layer when it's nippy, inside or out.

Another day, another dollar:
  • 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
  • Drop tail adds coverage, keeps out chill
  • Tagless, no-scratch neck label
  • Carhartt® logo printed on bottom hem, Carhartt Force logo on back neck
  • Machine wash / dry. Imported.

State Size, as available in the Shopping Cart.

5.11 Tactical® Utili - T Long - sleeve Shirts, 2 - pack

Item # WX2-230305

4 stars
(2)
  • Info

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

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

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2 - Pk. 5.11 Tactical® Utili - T Long - sleeve Underwear Shirts Underwear base layers preferred by uniformed professionals!

Law enforcement, military and fire professionals consistently choose the 5.11 Utili-T™ underwear crew shirts as the undershirt for uniform wear. The Utili-T crew underwear shirts are longer than most crew neck T-Shirts so that the shirt stays tucked in no matter what the activity. Mens underwear made of 100% ring spun cotton, the Utili-T Crew shirts are comfortable, durable and a great value. The shirt can be worn under ballistic vests, as a casual shirt or used for everyday under uniform wear.

  • 1" no-roll, high-density collar
  • Underwear featuring moisture-wicking design keeps your body bone dry and comfy, all day
  • Printed label prevents chafing
  • Double-needle stitching gives your underwear base layer t-shirt increased durability
  • Machine wash / dry. Imported.

State Size and Color, 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 $44.99 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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