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!

Grid List
Sort By:
1-48 of 49
Show:
Pages:
  1. 1
  2. 2
2
  1. 32 Degrees HEAT Base Layer Bottoms

    4 stars
    (16)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  2. 32 Degrees HEAT Base Layer Crew-neck Top

    5 stars
    (13)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  3. Polar King Thermal Bottoms

    3 stars
    (5)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  4. Polar King Thermal Top

    3 stars
    (5)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  1. Under Armour ColdGear Infrared EVO Mock Turtleneck

    5 stars
    (21)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. Guide Gear 10-oz. Brown Poly-fleece Bottoms

    4 stars
    (67)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

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

    4 stars
    (51)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  4. 6-Pk. of Guide Gear Camp Base Boxer Briefs, Camo

    5 stars
    (41)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $57.00

    In Stock

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

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

    In Stock

  2. Under Armour ColdGear Infrared EVO Leggings

    4 stars
    (16)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

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

    In Stock

  4. Under Armour Base 2.0 Crew

    5 stars
    (3)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Guide Gear® 10-oz. Poly-fleece Union Suit, Brown

    5 stars
    (69)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    In Stock

  2. 6-Pk. of Guide Gear Pouch Briefs, Camo

    5 stars
    (23)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $42.00

    In Stock

  3. 6-Pk. Guide Gear® Boxer Briefs

    5 stars
    (112)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

  4. 6-Pk. Guide Gear Pouch Briefs

    5 stars
    (89)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

  1. 2-Pk. of Indera Mills Colored Thermal Long John Tops

    4 stars
    (21)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  2. Under Armour® Base 3.0™ Leggings

    5 stars
    (1)
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    Item is currently on backorder

  3. Under Armour® Base 2.0™ Leggings

    4 stars
    (5)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    Item is currently on backorder

  4. Under Armour® Base 3.0™ Crew

    5 stars
    (1)
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. 32 Degrees HEAT Heat Fleece Bottoms

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

    In Stock

  2. 32 Degrees HEAT Heat Fleece Top

    5 stars
    (2)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  3. Guide Gear Performance T-shirt

     
    Buyer's Club $13.49 Non-Member $14.99 Compare at $25.00

    In Stock

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

    4 stars
    (33)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  1. Carhartt Force Super Cold Weather Thermal Underwear Shirt, Black

    5 stars
    (1)
    Buyer's Club $40.49 Non-Member $44.99

    In Stock

  2. Terramar Thermolator 1/2-zip Top

    5 stars
    (1)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. Carhartt Force Super Cold Weather Thermal Underwear Pants, Black

    5 stars
    (1)
    Buyer's Club $40.49 Non-Member $44.99

    In Stock

  4. Terramar Thermolator Leggings

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  1. Carhartt Base Force Midweight Bottoms

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  2. Carhartt Base Force Midweight Crew Top

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  3. Outdoor Research Sequence Leggings

     
    Non-Member $59.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. Outdoor Research Sequence Long-sleeved Crew

     
    Non-Member $59.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Men's WSI® Microtech Fitted Long-sleeve Shirt

    3 stars
    (6)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $21.99

    In Stock

  2. Men's WSI® Microtech Loose Long-sleeve Shirt, Black

    4 stars
    (6)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $25.99

    In Stock

  3. 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

  4. Men's WSI® Microtech Fitted Sleeveless Shirt

    4 stars
    (4)
    Buyer's Club $13.49 Non-Member $14.99 Compare at $17.99

    In Stock

  1. WSI® Microtech Neon Green Fitted Long-sleeved Shirt

    3 stars
    (1)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $21.99

    In Stock

  2. 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

  3. Men's WSI® Arctic Microtech Long-sleeve Cold Weather Performance Shirt

    5 stars
    (4)
    Buyer's Club $35.99 Non-Member $39.99 Compare at $45.99

    In Stock

  4. Men's WSI® WikMax HEATR® Pants, Black

     
    Buyer's Club $116.99 Non-Member $129.99 Compare at $139.99

    In Stock

  1. Men's WSI® Compression Shorts

    2 stars
    (2)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $27.99

    In Stock

  2. WSI® Arctic HEATR® Vent Shirt, Black

     
    Buyer's Club $71.99 Non-Member $79.99 Compare at $89.99

    In Stock

  3. WSI® WikMax HEATR® 1/4-zip Top

     
    Buyer's Club $116.99 Non-Member $129.99 Compare at $139.99

    In Stock

  4. Carhartt® Base Force™ Cold Weather Weight Long Underwear Bottoms, Black

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

    In Stock

  1. Carhartt® Heavyweight Crewneck Shirt

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

    In Stock

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

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

    In Stock

  3. Volt Resistance TACTICAL 7V Heated Base Layer

     
    Buyer's Club $112.49 Non-Member $124.99 Compare at $129.95

    In Stock

  4. Carhartt® Base Force™ Cool Weather Weight Long Underwear Bottoms, Black

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

    In Stock

1-48 of 49
Show:
Pages:
  1. 1
  2. 2
2

Related Products

32 Degrees HEAT Base Layer Bottoms

Item # WX2-610526

4 stars
(16)
  • Info

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

Buyer's Club $13.49 Non-Member $14.99

Add to Wishlist

32 Degrees HEAT® Base Layer Bottoms do everything you want your Long Johns to do. PRICED LOW!

Layer up for the next polar vortex! Not only does every fiber help retain body heat, but they also minimize unpleasant odor caused by sweating. Plus, these Base Layer Bottoms are quick-drying to wick away moisture, keeping you dry and comfortable.

Can't stand static? No worries with these Bottoms... they contain a special anti-static agent to reduce clings and discomfort. And they come in so many vibrant colors for when you just want to lounge around in them... you haven't loved Long Johns this much since you were a kid!

Bottoms up:

  • Stretch yarns maximize long-term comfort in a lasting shape
  • Soft-hand feel with 37/34/25/4 acrylic / polyester / rayon / spandex blend
  • Machine wash / hang dry
  • Imported.

State Color and Size, as available in Shopping Cart.

Men's Under Armour® ColdGear® EVO Base Layer Mock Shirt

Item # WX2-592262

5 stars
(1)
  • Info

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

Buyer's Club $52.19 Non-Member $57.99

Add to Wishlist

Under Armour® ColdGear® EVO Scent Control Base Layer Shirt. The ultimate in warm, scent-stealthy, near-silent hunting gear.

Under Armour® is the original moisture-wicking performance wear, favored by top athletes and hunters. As a base layer, it's unbeatable at keeping you at your best. Infrared fabric technology holds in heat without adding bulk. Scent-control tech keeps your scent under wraps.

Get into the best:

  • 87/13 polyester / elastane ColdGear® fabric, with snugly supportive compression fit and moisture-wicking comfort
  • Brushed fabric stays quiet in the field
  • Infrared fabric technology locks in warmth without adding bulk
  • Scent-control technology masks you from your prey and lasts 10X longer than carbon
  • Flat-lock seams won't chafe
  • Antimicrobial to inhibit odor bacteria
  • Shirt has mock turtleneck
  • Machine wash / hang dry. Imported.

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

Scent Blocker® S3® Arctic Fleece Base Layer Pants

Item # WX2-227054

  • Info

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

Starting at...
Buyer's Club $62.99 Non-Member $69.99

Add to Wishlist

Scent Blocker® S3® Arctic Fleece Base Layer Pants. Maximum heat retention, minimum weight.

But here's the real trick... Arctic Fleece Base Layers retain all that heat without turning you into a sweat-soaked mess. That's because they're not only warm, but supremely breathable, moisture-wicking and quick-drying. Add to that Scent Blocker®'s S3® antimicrobial technology to assist in controlling odors, and you've got yourself the perfect Base Layer for hunting in frigid temps!

Pants:
  • Elastic waist band
  • Elastic cuffs
  • Boxer style front fly. Black.

State Size, as available in the Shopping Cart. 

32 Degrees HEAT Heat Fleece Top

Item # WX2-610528

5 stars
(2)
  • Info

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

Buyer's Club $22.49 Non-Member $24.99

Add to Wishlist

32 Degrees HEAT® Heat Fleece Top gives your base layer a boost!

Fleece warmth that also fights odor, sweat and static! Not only does every fiber in the Top help retain body heat, but it also minimizes unpleasant odor caused by sweating. Plus, it's quick-drying to wick away moisture, keeping you dry and comfortable.

Can't stand static? No worries... the Top contains a special anti-static agent to reduce clings and discomfort. And that cozy Fleece will keep you toasty in the field or comfortable lounging around the cabin.

  • Stretch yarns maximize long-term comfort in a lasting shape
  • Soft-hand feel with 37/34/25/4 acrylic / polyester / rayon / spandex blend
  • Mock turtleneck style
  • Machine wash / hang dry
  • Imported.

State Color and Size, 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