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

    3 stars
    (26)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

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

    4 stars
    (28)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  3. Guide Gear® 10-oz. Brown Poly-fleece Bottoms

    4 stars
    (59)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  4. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

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

    In Stock

  1. Under Armour® ColdGear® Infrared EVO Leggings

    4 stars
    (12)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

    5 stars
    (63)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  3. Men's Guide Gear® Kingsilk Bottoms, Black

    4 stars
    (34)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

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

    5 stars
    (51)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    In Stock

  1. Men's Guide Gear® Kingsilk Crew Top, Black

    4 stars
    (39)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  2. Men's Under Armour® ColdGear® EVO Base Layer Leggings

     
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. 2-Pk. of Indera Mills® Colored Thermal Long John Bottoms

    5 stars
    (17)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  4. Under Armour® Base 3.0™ Crew

     
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Under Armour® Base 3.0™ Leggings

     
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. Under Armour® Treestand Base Bottoms, Black

     
    Non-Member $79.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. 2-Pk. of Indera Mills® Colored Thermal Long John Tops

    4 stars
    (11)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  4. Under Armour® Treestand Base Top, Black

     
    Non-Member $79.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  1. Under Armour® Base 2.0™ Leggings

     
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. 6-Pk. Guide Gear® Boxer Briefs

    5 stars
    (100)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

  3. Under Armour® Base 2.0™ Crew

     
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. Guide Gear® Kingsilk Balaclava, Black

    4 stars
    (9)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $30.00

    In Stock

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

    5 stars
    (25)
    Buyer's Club $8.99 Non-Member $9.99 Compare at $25.00

    In Stock

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

     
    Buyer's Club $44.99 Non-Member $49.99 Compare at $66.00

    In Stock

  3. New U.S. Military Surplus Polartec® X-static® Long-sleeved Crew Shirt, Coyote

    5 stars
    (11)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $50.00

    In Stock

  4. 6-Pk. Guide Gear® Pouch Briefs

    5 stars
    (76)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

  1. 6-Pk. of Guide Gear® Camp Base Boxer Briefs, Camo

    5 stars
    (36)
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  2. Browning® Hell's Canyon Midweight Base Layer Pants, Realtree Xtra® Camo

     
    Buyer's Club $35.99 Non-Member $39.99

    In Stock

  3. Men's 32 Degrees Heat by Weatherproof® Performance Base-layer Bottoms

    5 stars
    (18)
    Clearance $9.99

    In Stock

  1. Polar King® Thermal Top

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. Carhartt Force® Super Cold Weather Thermal Underwear Shirt, Black

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

    In Stock

  3. 6-Pk. of Guide Gear® Pouch Briefs, Camo

    5 stars
    (21)
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

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

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. Polar King® Thermal Bottoms

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. 32 Degrees HEAT® Base Layer Bottoms

     
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

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

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

    In Stock

  1. 4 Hanes® Flannel Boxers

    4 stars
    (9)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $40.00

    In Stock

  2. Carhartt® Irregular Base Force® Super PT Top

     
    Buyer's Club $17.99 Non-Member $19.99 Compare at $44.99

    In Stock

  3. Indera® 2-layer Performance Thermal Bottoms, Gray

    4 stars
    (10)
    Clearance $14.99 Compare at $38.00

    In Stock

  4. 32 Degrees HEAT® Base Layer Crew-neck Top

     
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  1. Carhartt® Base Force Midweight Crew Top

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

    In Stock

  2. Carhartt® Base Force Midweight Bottoms

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

    In Stock

  3. 32 Degrees HEAT® Heat Fleece Top

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. 32 Degrees HEAT® Heat Fleece Bottoms

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  2. ScentBlocker® S3® Midweight Wool Pants, Black / Gray

     
    Clearance $59.99

    In Stock

  3. ScentBlocker® S3® Midweight Wool Shirt, Black / Gray

     
    Clearance $69.99

    In Stock

  4. Scent Blocker® S3® Arctic Fleece Base Layer Long-sleeved Shirt

    5 stars
    (1)
    Buyer's Club $62.99 Non-Member $69.99 Compare at $79.99

    In Stock

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Related Products

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

Item # WX2-597480

Starting at...
Buyer's Club $44.99 Non-Member $49.99

Add to Wishlist

Browning® Hell's Canyon Midweight Base Layer Top. A good day of hunting starts with the right gear!

Your freeze-fighting foundation! Effectively combat cold weather with this Browning® Hell's Canyon Midweight Base Layer Top. Slip it on before your outerwear for increased warmth without extra bulk. Plus, it features Odorsmart antimicrobial technology, which helps control bacteria that causes human odor.

Features:
  • Midweight 100% polyester fabric is ideal for cold conditions
  • Smooth face with fleece inner layer adds comfort
  • Odorsmart antimicrobial technology helps contain human scent
  • Flatlock stitching for additional comfort
  • Athletic cut
  • Mock neck helps lock in heat.

State Size, as available in the Shopping Cart.

Carhartt Force® Super Cold Weather Thermal Underwear Shirt, Black

Item # WX2-607669

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

Add to Wishlist

Carhartt Force® Super Cold Weather Base Layers. Huge warmth, with a moisture-wicking edge!

It may be C-O-L-D on the job, but that doesn't mean you won't perspire. Designed for men who work up a sweat even in frigid temps, this Carhartt Force® Super Cold Weather Thermal Underwear Shirt is the ultimate choice for comfortable layering.

Featuring FastDry® moisture-wicking technology and odor-fighting properties to keep you feeling fresh. The extra-long droptail offers added coverage and the rib-knit cuffs seal in warmth. Plus, Smooth flatlock seams provide no-chafe comfort. Machine wash / dry. Imported.

State Size, as available in the Shopping Cart. Stay comfortable and fresh while you work up a lather. Order today!

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

Item # WX2-427603

Starting at...
Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

Carhartt® Base ForceTM Cool Weather Weight Long Underwear Bottoms. Working up a sweat? Stay comfortable and fresh.

Wear these specially-treated, moisture-wicking Long Underwear Bottoms as a base layer when the temps are chilly, indoors or out.

Clocked in:
  • 4.5-oz. 100% polyester midweight knit
  • Force™ fabric wicks away moisture, has an antimicrobial finish so you stay fresh
  • Smooth flat lock seams for comfort
  • Comfortable tapered cuffs seal out chill
  • 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.

Men's WSI® WikMax HEATR® Pants, Black

Item # WX2-219817

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

Add to Wishlist

WSI® WikMax HEATR® Pants. A soft, comfortable, lightweight performance pant made from innovative HEATR fabric.

HEATR® fabric expands and heats up on contact with your skin, generating critical warmth as it wicks away moisture. Designed to warm up muscles continuously while helping oxygen flow faster, it's the ideal base layer fabric. Athletes swear by WSI® gear because it provides warmth, mobility and breathability without adding bulk. You'll love it because it helps you perform your best!

Fabric is a combination of HEATR and Spandex... HEATR is body-mapped into the upper portion, to just below the knees. The very bottom is pure Spandex for a bulk-free fit, perfect for ski boots. Made in the USA. Machine wash / dry.

State Size, as available in the Shopping Cart.

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