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 10-oz. Brown Poly-fleece Bottoms

    4 stars
    (67)
    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
    (51)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  3. 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

  4. 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

  1. 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

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

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

    In Stock

  3. 4 Hanes Flannel Boxers

    4 stars
    (17)
    Clearance $14.99 Compare at $40.00

    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 Fitted Sleeveless Shirt

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

    In Stock

  3. 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

  4. 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

  1. 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

  2. Men's WSI® Compression Shorts

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

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

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

    In Stock

  1. WSI® Arctic HEATR® Vent Shirt, Black

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

    In Stock

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

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

    In Stock

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

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

    In Stock

  4. Carhartt® Heavyweight Crewneck Shirt

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

    In Stock

  1. 5.11 Tactical® Winter Leggings

    4 stars
    (3)
    Non-Member $39.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. 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

  3. 5.11 Tactical® Performance Winter Mock

     
    Non-Member $49.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. Carhartt® Base Force™ Cool Weather Weight Crewneck Shirt, Black

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

    In Stock

  1. 5.11 Tactical® Utili-T Crew Shirts, 3-Pk.

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

    In Stock

  2. 5.11 Tactical® Utili - T Long - sleeve Shirts, 2 - pack

    4 stars
    (2)
    Non-Member $34.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. 5.11 Tactical® Tight Crew Long - sleeve Shirt

    5 stars
    (1)
    Non-Member $32.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  4. 5.11 Tactical® Tight Crew Short - sleeve Shirt

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

    In Stock

  1. 5.11 Tactical® Loose Fit Crew Shirt

    5 stars
    (1)
    Non-Member $27.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  2. Women's Onyx X-System® Heavyweight Fleece Pants, Black

    1 stars
    (1)
    Buyer's Club $40.49 Non-Member $44.99 Compare at $52.00

    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

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Related Products

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

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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.

Polar King Thermal Bottoms

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

Clearance $9.99

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Polar King® Thermal Bottoms.

Hot stuff! These toasty Thermal Bottoms have rib-knit cuffs and an elastic waist so they stay in place when layering, and they keep the warmth where it belongs... on you! Machine wash / dry. Imported. 50/50 Cotton / Poly blend fabric.

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

Men's Guide Gear Silk Base Layer Bottom, Black

Item # WX2-208077

4 stars
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  • Info

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

Starting at...
Buyer's Club $26.99 Non-Member $29.99

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Guide Gear® Silk Base Layer Bottom, BIG BUCKS OFF!

Ounce for ounce, silk is the warmest fabric there is. Naturally moisture wicking, dry and comfortable. Smooth surface won't catch or cling to clothing. Bottoms have an elastic waistband. Imported.

  • 100% Silk
  • Lightweight fabric
  • Machine wash gentle cycle, tumble dry low.

State Size, as available in the Shopping Cart.

Built to Sportsman's Guide's exact specifications, Guide Gear® stands for dependability, long-lasting quality and unmatched value! Guaranteed!

Polar King Thermal Top

Item # WX2-608577

3 stars
(5)
  • Info

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

Clearance $9.99

Add to Wishlist

Polar King® Thermal Top.

Hot stuff! This toasty crew-neck Thermal Top has rib-knit cuffs so it doesn't ride up your arms when layering, and it keeps the warmth where it belongs... on you! Machine wash / dry. Imported. 50/50 Cotton / Poly blend fabric.

State Color and Size, as available in the Shopping Cart. Don't be chilly this winter.

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