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!

Grid List
Sort By:
1-48 of 75
Show:
Pages:
  1. 1
  2. 2
2
  1. Guide Gear 10-oz. Brown Poly-fleece Bottoms

    5 stars
    (66)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

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

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

    In Stock

  3. 32 Degrees HEAT Base Layer Bottoms

    5 stars
    (12)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  4. Polar King Thermal Bottoms

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

    In Stock

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

    4 stars
    (43)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  2. 32 Degrees HEAT Base Layer Crew-neck Top

    5 stars
    (7)
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  3. Polar King Thermal Top

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

    In Stock

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

    5 stars
    (71)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  1. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

    5 stars
    (20)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. 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

  3. Under Armour® ColdGear® Infrared EVO Leggings

    4 stars
    (15)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. 32 Degrees HEAT Heat Fleece Top

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

    In Stock

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

    4 stars
    (27)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

    In Stock

  2. 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

  3. 6-Pk. Guide Gear Pouch Briefs

    5 stars
    (80)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

  4. 3-Pk. Walls Camo Boxers, Mossy Oak Break-Up

     
    Buyer's Club $17.99 Non-Member $19.99 Compare at $42.00

    In Stock

  1. 32 Degrees HEAT Heat Fleece Bottoms

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

    In Stock

  2. Carhartt® Irregular Base Force® Super PT Bottoms

    4 stars
    (2)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $44.99

    In Stock

  3. Under Armour Base 2.0 Crew

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

    In Stock

  4. 6-Pk. Guide Gear® Boxer Briefs

    5 stars
    (102)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

  1. Under Armour® Base 3.0™ Crew

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

    In Stock

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

    3 stars
    (1)
    Buyer's Club $52.19 Non-Member $57.99

    In Stock

  3. Under Armour® Base 2.0™ Leggings

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

    In Stock

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

    5 stars
    (1)
    Buyer's Club $52.19 Non-Member $57.99

    In Stock

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

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

    In Stock

  2. Under Armour® Treestand Base Top, Black

     
    Buyer's Club $53.99 Non-Member $59.99

    In Stock

  3. 6-Pk. of Guide Gear® Camp Base Boxer Briefs, Camo

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

    In Stock

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

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

    In Stock

  1. 4 Hanes Flannel Boxers

    4 stars
    (17)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $40.00

    In Stock

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

    3 stars
    (31)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  3. 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

  4. Terramar Thermolator Leggings

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  1. Carhartt® Base Force Midweight Bottoms

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  2. Terramar Thermolator 1/2-zip Top

    5 stars
    (1)
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  3. Carhartt Base Force Midweight Crew Top

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

  4. 6-Pk. of Guide Gear® Pouch Briefs, Camo

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

    In Stock

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

    3 stars
    (2)
    Buyer's Club $44.99 Non-Member $49.99 Compare at $66.00

    In Stock

  2. Outdoor Research® Sequence™ Long-sleeved Crew

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

    In Stock

  3. Outdoor Research® Sequence™ Leggings

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

    In Stock

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

    1 stars
    (1)
    Buyer's Club $35.99 Non-Member $39.99

    In Stock

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

    5 stars
    (3)
    Buyer's Club $35.99 Non-Member $39.99 Compare at $45.99

    In Stock

  2. 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

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

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

    In Stock

  4. Scent Blocker® Super Skin™ Base Layer Shirt

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

    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. WSI® Arctic HEATR® Vent Shirt, Black

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

    In Stock

  3. Scent Blocker® S3® Arctic Fleece Base Layer Pants

     
    Buyer's Club $62.99 Non-Member $69.99 Compare at $79.99

    In Stock

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

    5 stars
    (2)
    Buyer's Club $71.99 Non-Member $79.99

    In Stock

1-48 of 75
Show:
Pages:
  1. 1
  2. 2
2

Related Products

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

Item # WX2-307432

  • Info

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

Buyer's Club $17.99 Non-Member $19.99 Compare at $32.00

Add to Wishlist

Indera Mills® Performance Thermal Bottoms are 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.

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

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 New Czech Military Long Johns, Khaki

Item # WX2-175430

  • Info

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

Buyer's Club $17.99 Non-Member $19.99

Add to Wishlist

5 new, cotton Czech Military Long Johns.

Hey, Chilly Willy! Combat the cold by layering up with these heavyweight Long Johns. This set contains 5 very soft, comfortable, 100% cotton garments.

  • Elasticized waist for a custom fit
  • Rib-knit cuffs so you don't get "drafted"
  • Machine wash / dry. Imported.

Condition: brand new, never issued. Shades and styles may vary slightly. State Size, as available in the Shopping Cart. Outfit the troops for the Cold War. 

!!! Limited Quantities !!!

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

Item # WX2-427606

  • Info

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

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

Add to Wishlist

Carhartt® Base ForceTM Cold Weather Weight Long Underwear Bottoms. Stay comfortable and fresh while you work up a sweat.

Just because it's cold on the job doesn't mean you won't perspire. Wear these specially-treated, moisture-wicking Long Underwear Bottoms as a base layer when the temps are chilly, indoors or out.

Stay cool:
  • 8-oz. 100% polyester heavyweight knit
  • Force™ fabric wicks away moisture, has an antimicrobial finish so you stay fresh
  • Smooth flat lock seams for comfort
  • Ribknit cuffs for warmth, comfort
  • 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.

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