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!

Related Products

Men's Guide Gear® Kingsilk Bottoms, Black

Item # WX2-208077

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

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Buyer's Club $26.99 Non-Member $29.99

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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!

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

Item # WX2-427605

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.

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Youth's WSI® Arctic WikMax™ Pants, Black

Item # WX2-219794

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

Buyer's Club $49.49 Non-Member $54.99 Compare at $59.99

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Youth's WSI® Arctic WikMaxTM Pants deliver all-star warmth in the clutch!

Essential base layer apparel to keep you in top form when temps bottom out! Made from Arctic WikMax™ fabric... a quad-layer, stretch-fit fiber blend that keeps you warm and wicks away moisture. The fabric is a bit thinner in strategic spots, to allow you to stay fully mobile, and a bit thicker around the leg to ensure your muscles stay warm.

Arctic WikMax is 50/50 polyester / polyolefin 4-layer fabric, comfortable from +50° to -20°F. Stretch-fit and antimicrobial to control odor and bacteria. Made in the USA. Machine wash / dry. Youth large size.

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