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. 6-Pk. Guide Gear Boxer Briefs

    5 stars
    (116)
    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
    (90)
    Compare at $38.00 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $20.01 (53%)

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

    5 stars
    (42)
    Compare at $57.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $30.01 (53%)

  1. 3-Pk. Walls Camo Boxers, Mossy Oak Break-Up

    2 stars
    (1)
    Compare at $42.00 Non-Member $19.99 Buyer's Club $17.99

    You Save $24.01 (57%)

  2. Under Armour ColdGear Infrared EVO Mock Turtleneck

    5 stars
    (21)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!
  3. 32 Degrees HEAT Base Layer Bottoms

    4 stars
    (16)
    Clearance $19.99
  4. Guide Gear 10-oz. Brown Poly-fleece Crew-neck Top

    5 stars
    (72)
    Compare at $40.00 Was $24.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $22.01 (55%)

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

    5 stars
    (69)
    Compare at $40.00 Was $39.99 Non-Member $19.99 Buyer's Club $17.99

    You Save $22.01 (55%)

  2. Under Armour Camo Boxer Jock

     
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!
  3. 32 Degrees HEAT Base Layer Crew-neck Top

    5 stars
    (14)
    Clearance $19.99
  4. 6-Pk. of Guide Gear Pouch Briefs, Camo

    5 stars
    (23)
    Compare at $42.00 Was $29.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $19.51 (46%)

  1. Under Armour ColdGear Infrared EVO Leggings

    4 stars
    (17)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!
  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. Polar King Thermal Top

    3 stars
    (5)
    Clearance $9.99
  4. 32 Degrees HEAT Heat Fleece Top

    5 stars
    (2)
    Clearance $14.99
  1. Men's Guide Gear Silk Base Layer Bottom, Black

    4 stars
    (54)
    Compare at $40.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $13.01 (33%)

  2. Carhartt Base Force Midweight Bottoms

     
    Non-Member $34.99 Buyer's Club $31.49
  3. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Pants

    3 stars
    (32)
    Compare at $50.00 Was $29.99 Clearance $19.99

    You Save $30.01 (60%)

  4. Polar King Thermal Bottoms

    4 stars
    (6)
    Clearance $9.99
  1. 32 Degrees HEAT Heat Fleece Bottoms

    4 stars
    (7)
    Clearance $19.99
  2. 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%)

  3. Under Armour Base 2.0 Crew

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

  1. Men's Under Armour ColdGear EVO Base Layer Mock Shirt

    4 stars
    (2)
    Non-Member $57.99 Buyer's Club $52.19
  2. Guide Gear® 10-oz. Poly-fleece Union Suit, Brown

    5 stars
    (71)
    Compare at $75.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $48.01 (64%)

  3. Carhartt Irregular Base Force Cold Weather Crew Neck Shirt, Black

     
    Non-Member $19.99 Buyer's Club $17.99
  4. Terramar Thermolator Leggings

     
    Non-Member $19.99 Buyer's Club $17.99
  1. Carhartt Force Super Cold Weather Thermal Underwear Shirt, Black

    5 stars
    (1)
    Non-Member $44.99 Buyer's Club $40.49
  2. Carhartt Force Super Cold Weather Thermal Underwear Pants, Black

    5 stars
    (1)
    Non-Member $44.99 Buyer's Club $40.49
  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. Browning® Hell's Canyon Midweight Base Layer Top, Realtree Xtra® Camo

    3 stars
    (2)
    Compare at $66.00 Was $59.99 Clearance $39.99

    You Save $26.01 (39%)

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

    4 stars
    (47)
    Compare at $40.00 Was $34.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $13.01 (33%)

  3. Carhartt Base Force Midweight Crew Top

     
    Non-Member $34.99 Buyer's Club $31.49
  4. Terramar Thermolator 1/2-zip Top

    5 stars
    (2)
    Non-Member $19.99 Buyer's Club $17.99
  1. 4 Hanes Flannel Boxers

    4 stars
    (18)
    Compare at $40.00 Was $24.99 Clearance $14.99

    You Save $25.01 (63%)

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

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

    You Save $23.01 (46%)

  3. Men's Under Armour ColdGear EVO Base Layer Leggings

    3 stars
    (1)
    Non-Member $57.99 Buyer's Club $52.19
  1. Carhartt® Irregular Base Force® Super Cold Weather Bottoms

    4 stars
    (2)
    Non-Member $34.99 Buyer's Club $31.49
  2. Under Armour® Base 3.0™ Crew

    5 stars
    (1)
    Non-Member $74.99 Buyer's Club Discount Applied at Checkout!
  3. Carhartt® Irregular Base Force® Super PT Top

     
    Compare at $44.99 Was $29.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $22.50 (50%)

  4. Carhartt Irregular Work Camo Thermal Jacket, Realtree AP Xtra

     
    Non-Member $79.99 Buyer's Club $71.99
  1. Scent Blocker® Super Skin™ Base Layer Pants

     
    Compare at $49.99 Non-Member $39.99 Buyer's Club $35.99

    You Save $14.00 (28%)

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

    5 stars
    (2)
    Non-Member $79.99 Buyer's Club $71.99
  3. Scent Blocker® S3® Arctic Fleece Base Layer Pants

     
    Non-Member $79.99 Buyer's Club $71.99
  4. Scent Blocker® Super Skin™ Base Layer Shirt

     
    Compare at $49.99 Non-Member $39.99 Buyer's Club $35.99

    You Save $14.00 (28%)

1-48 of 66
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Carhartt® Heavyweight Crewneck Shirt

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Carhartt® Heavyweight Cotton Thermal Crewneck Shirt. Made heavy-duty for your heavy duties!

"Works" on its own, or as a warm base layer. Made of 9.5-oz., moisture-wicking 100% ringspun cotton knit for comfort as soft as your weekend T-shirt, and construction that holds up! Rib-knit cuffs and crewneck for long wear... plus your sleeves roll up and stay up when you need them to. No-scratch tagless neck label. Carhartt® logo printed on front. Machine wash / dry. Imported.

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Scent Blocker® Super Skin™ Base Layer Shirt

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Scent Blocker® Super SkinTM Base Layer Long-sleeved Shirt. Hunt hard, stay warm.

Best of both worlds... blended Merino wool and polyester. Provides a super-effective temperature-controlling, moisture-wicking, quick-drying layer. S3® Advanced antimicrobial technology inhibits odor-causing bacteria.

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Carhartt® Midweight Cotton Union Suit, Red

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

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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.

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Scent Blocker® S3® Arctic Fleece Base Layer Pants

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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!

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