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. Guide Gear Men's Underwear, Boxer Briefs 6-Pk.

    5 stars
    (118)
    Compare at $38.00 Was $29.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $15.51 (41%)

  2. Guide Gear Performance T-shirt

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

    You Save $11.51 (46%)

  3. 6-Pk. Guide Gear Pouch Briefs

    5 stars
    (91)
    Compare at $38.00 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $20.01 (53%)

  4. 32 Degrees HEAT Base Layer Bottoms

    4 stars
    (16)
    Clearance $19.99
  1. 32 Degrees HEAT Base Layer Crew-neck Top

    5 stars
    (14)
    Clearance $19.99
  2. 2-Pk. of Indera Mills Colored Thermal Long John Bottoms

    4 stars
    (28)
    Compare at $32.00 Was $24.99 Clearance $14.99

    You Save $17.01 (53%)

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

    4 stars
    (21)
    Compare at $32.00 Was $24.99 Clearance $14.99

    You Save $17.01 (53%)

  4. Polar King Thermal Top

    3 stars
    (5)
    Was $24.99 Clearance $9.99
  1. Polar King Thermal Bottoms

    4 stars
    (6)
    Was $24.99 Clearance $9.99
  2. 32 Degrees HEAT Heat Fleece Top

    5 stars
    (2)
    Was $24.99 Clearance $14.99
  3. 32 Degrees HEAT Heat Fleece Bottoms

    4 stars
    (7)
    Was $24.99 Clearance $19.99
  4. Under Armour ColdGear Infrared EVO Mock Turtleneck

    5 stars
    (21)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!
  1. Under Armour ColdGear Infrared EVO Leggings

    4 stars
    (17)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!
  2. Terramar Thermolator Leggings

     
    Was $29.99 Non-Member $19.99 Buyer's Club $17.99
  3. Outdoor Research Sequence Long-sleeved Crew

     
    Non-Member $59.99 Buyer's Club Discount Applied at Checkout!
  4. Outdoor Research Sequence Leggings

     
    Non-Member $59.99 Buyer's Club Discount Applied at Checkout!
  1. Terramar Thermolator 1/2-zip Top

    5 stars
    (2)
    Was $29.99 Non-Member $19.99 Buyer's Club $17.99
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Related Products

5.11 Tactical® Tight Crew Long - sleeve Shirt

Item # WX2-230300

5 stars
(1)
  • Info

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

Non-Member $32.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

5.11 Tactical® Tight Crew Long - sleeve Shirt is a lightweight, comfortable base layer under body armor!

Having the right under shirt for a ballistic vest is crucial for comfort and performance. The 5.11 Tight Crew Long Sleeve Shirt fits that need with its unique design and features. This tight crew long sleeve shirt is designed for wear under body armor but is also great for casual and workout wear. Available in short and long-sleeve crews, these tight crew long sleeve shirts are a necessity for body armor wear.

  • Made with 82/18 polyester and spandex fabric blend
  • Mild athletic compression fit
  • Anti-microbial, quick-drying, moisture-wicking comfort
  • Strong, durable flat-lock seams
  • Underarm mesh panels for venting printed label prevents chafing
  • Machine wash / dry. Imported.

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

Carhartt® Midweight Cotton Union Suit, Red

Item # WX2-427602

  • Info

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

Non-Member $39.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

Carhartt® Midweight Cotton Union Suit. A warm base underneath it all.

Layer under coveralls, or jeans and a sweatshirt or flannel shirt... when one layer isn't enough to keep cold away. Made of 8-oz., 100% ringspun cotton knit for softness and toastiness. Reinforced stitching on all seams means these wear long. Ribknit neck and cuffs seal out chill, and ensure your rolled-up sleeves stay that way! Carhartt® logo printed on chest. Machine wash / dry. Imported.

State Size, as available in the Shopping Cart. Wonderful "unders!"

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

Item # WX2-427603

5 stars
(1)
  • 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!

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.

5.11 Tactical® Loose Fit Crew Shirt

Item # WX2-230301

5 stars
(1)
  • Info

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

Starting at...
Non-Member $27.99 Buyer's Club Discount Applied at Checkout!

Add to Wishlist

5.11 Tactical® Loose Fit Underwear Crew Shirt Mens underwear base layer allows for a free - and - easy feel under tactical equipment!

Having the right underwear shirt for a ballistic vest is crucial for comfort and performance. The 5.11 Loose Fit Crew Short Sleeve Underwear Shirt fits that need with its unique design and features. This loose fit crew is designed for wear under body armor but is also great for casual and workout wear. Underwear layers available in short- and long-sleeve loose fit crews and short-sleeve v-necks, these loose fit crews are a necessity for body armor wear.

  • Mens underwear is made with 100% polyester
  • Mild athletic compression fit
  • Underwear base layers with anti-microbial, quick-drying, moisture-wicking comfort
  • Strong, durable flat-lock seams
  • Underarm mesh panels give this underwear venting printed label prevents chafing
  • Machine wash / dry. Imported.

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

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