Underwear & Base Layer

Save big on Men's 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! Shop all Underwear and enjoy the lowest prices, guaranteed!

Grid List
Sort By:
1-7 of 7
Show:
Pages:
  1. 1
1
  1. 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%)

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

    4 stars
    (2)
    Non-Member $34.99 Buyer's Club $31.49

    Item is currently on backorder

  3. Carhartt® Heavyweight Crewneck Shirt

    5 stars
    (3)
    Non-Member $29.99 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 Long Underwear Bottoms, Black

     
    Non-Member $44.99 Buyer's Club Discount Applied at Checkout!
  2. Carhartt® Base Force™ Cool Weather Weight Crewneck Shirt, Black

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
  3. Carhartt® Base Force™ Cool Weather Weight Long Underwear Bottoms, Black

    5 stars
    (1)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!
1-7 of 7
Show:
Pages:
  1. 1
1

Related Products

2-Pk. of Indera Mills Colored Thermal Long John Tops

Item # WX2-307431

4 stars
(21)
  • Info

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

Compare at $32.00 Was $24.99 Clearance $14.99

You Save $17.01 (53%)

Add to Wishlist

Indera Mills® Performance Thermal Top is thick, comfortable and WARM. SAVE BIG BUCKS!

Supremely insulating! Since 1914 Indera Mills® has been making top-quality clothing to embrace the American lifestyle. It's all about creating medium-activity garments to keep you warm, goose-bump free and comfortable in the cold and extreme cold.

Whether you're trekking through the woods in search for your trophy on a frosty day, ice fishing or working a long shift outside in the dead of winter... you'll feel just right all day long with this name brand stuff. 

  • 65/35 cotton / polyester blend
  • Thermal knit traps and retains body heat
  • Full cut for a comfortable fit
  • Shrinkage controlled for lasting size and shape.

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

Fox Tactical™ ECWCS Polypropylene Long Underwear Top

Item # WX2-296588

  • Info

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

Compare at $30.95 Non-Member $29.99 Buyer's Club $26.99

You Save $3.96 (13%)

Add to Wishlist

Fox TacticalTM ECWCS Polypropylene Long Underwear Top: Extreme Cold Weather Clothing System.

Military-style "long johns", made in the USA from mil-spec 10.5-oz. 100% polypropylene, with fleece lining for extra warmth and comfort. For work or play in the winter cold, these can't be beat. Crew neck, rib-knit cuffs. Machine wash / dry. Imported.

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

5.11 Tactical® Sports Boxer Brief

Item # WX2-230308

3 stars
(2)
  • Info

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

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

Add to Wishlist

5.11 Tactical® 9" Sports Boxer Brief Underwear Underwear that will stretch and move with you, for comfort while you run, bend, walk, or jog!

You'll say goodbye to your tighty-whities once you give these Sport Boxer Brief Underwear a try. Mens underwear made with a polyester / spandex blend, our briefs have great breathability and are comfortable and quick-drying. 5.11's Sport Boxer Brief Mens Underwear are the only briefs with moisture-moving 3D-Wicking technology. Machine wash / dry underwear. Imported.

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

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