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. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

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

    In Stock

  4. Under Armour® ColdGear® Infrared EVO Leggings

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

    In Stock

  1. 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

  2. 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

  3. 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

  4. 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

  1. Under Armour® Base 3.0™ Crew

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

    In Stock

  2. Under Armour® Base 3.0™ Leggings

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

    In Stock

  3. Under Armour® Treestand Base Top, Black

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

    In Stock

  4. Under Armour® Treestand Base Bottoms, 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. Under Armour® Base 2.0™ Crew

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

    In Stock

  3. 32 Degrees HEAT® Base Layer Bottoms

     
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  4. 32 Degrees HEAT® Heat Fleece Top

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  1. 32 Degrees HEAT® Base Layer Crew-neck Top

     
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  2. 32 Degrees HEAT® Heat Fleece Bottoms

     
    Buyer's Club $22.49 Non-Member $24.99

    In Stock

  3. Guide Gear® Kingsilk Balaclava, Black

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

    In Stock

  4. Polar King® Thermal Bottoms

     
    Buyer's Club $17.99 Non-Member $19.99

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

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

    In Stock

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

     
    Buyer's Club $22.49 Non-Member $24.99

    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. Carhartt® Irregular Base Force® Super PT Top

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

    In Stock

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

     
    Clearance $69.99

    In Stock

  1. Terramar® Thermolator Leggings

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

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

     
    Clearance $59.99

    In Stock

  3. Terramar® Thermolator 1/2-zip Top

     
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  4. Men's WSI® Arctic WikMax™ Pants, Black

    5 stars
    (1)
    Buyer's Club $53.99 Non-Member $59.99

    In Stock

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

    5 stars
    (2)
    Buyer's Club $35.99 Non-Member $39.99 Compare at $45.99

    In Stock

  2. Men's WSI® Microtech Loose Long-sleeve Shirt, Black

    4 stars
    (5)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $25.99

    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. Men's WSI® Compression Shorts

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

    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. Men's WSI® Microtech Zipper Polo, Black

    3 stars
    (1)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $35.99

    In Stock

  4. 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

  1. WSI® WikMax HEATR® 1/4-zip Top

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

    In Stock

  2. Carhartt® Heavyweight Cotton Thermal Long Underwear Bottoms

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

    In Stock

  3. Carhartt® Heavyweight Crewneck Shirt

    5 stars
    (1)
    Non-Member $29.99 Buyer's Club Discount Applied at Checkout!

    In Stock

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

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

    In Stock

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

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

    In Stock

  2. 5.11 Tactical® Winter Leggings

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

    In Stock

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

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

    In Stock

  4. X-System Heavyweight Fleece Pants, Black

     
    Buyer's Club $40.49 Non-Member $44.99

    In Stock

1-48 of 59
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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.

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Fox Tactical™ ECWCS Polypropylene Long Underwear Bottom

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Fox TacticalTM ECWCS Polypropylene Long Underwear Bottom... your Extreme Cold Weather Clothing System for bitter cold!

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. Elastic waist, rib-knit cuffs. Machine wash / dry. Imported.

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Clam™ Ice Armor Merino Wool Blend Base Layer Bottom

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  • Info

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ClamTM Ice Armor Merino Wool Blend Base Layer Bottom. Warm, comfortable, moisture-wicking performance for your "better half"!

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State Size, as available in the Shopping Cart.

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

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    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 $50.00

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2-Pk. of Guide Gear® Thermaweave Stretch Base Layers form the perfect foundation of protection! SAVE BIG!

Every great trek begins with a solid foundation. Got some adventure on your to-do list? Guide Gear® Thermaweave Base Layer Gear is a great place to start. It's cool, comfortable and helps pull moisture away from the skin, preventing chafing and discomfort.

Flexible stretch fabric moves with you, ensuring that you'll never suffer creases or bunching. Get yours here and you'll be ready for any outdoor escapade!

Back to base:
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  • Flat-seam stitching
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State Color and Size, as available in the Shopping Cart below. Order now and start your next adventure off right!

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

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