Underwear & Base Layer

Save big on Underwear at Sportsman's Guide. Every guy could use a couple new pairs of Boxers or Briefs in their life; but we have more to offer like Thermals, Long Underwear, Compression Shorts, Scent Proof Base Layers, Long Johns, and more.

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  1. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

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

    In Stock

  2. Under Armour® ColdGear® Infrared EVO Leggings

    4 stars
    (11)
    Non-Member $54.99 Buyer's Club Discount Applied at Checkout!

    In Stock

  3. New U.S. Military Surplus Polartec® X-static® Crew T-shirt, Coyote

    5 stars
    (2)
    Clearance $9.99

    In Stock

  4. Guide Gear® 10 - oz. Brown Poly - fleece Bottoms

    4 stars
    (59)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  1. Guide Gear® 10 - oz. Poly - fleece Union Suit, Brown

    5 stars
    (48)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $75.00

    Item is currently on backorder

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

    5 stars
    (63)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  3. New U.S. Military Surplus Polartec® X-static® Long-sleeved Crew Shirt, Coyote

    5 stars
    (11)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $50.00

    In Stock

  4. New U.S. Military Surplus Polartec® X-static® Pants, Coyote

    5 stars
    (3)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $50.00

    In Stock

  1. 2 New Balance® U.S. Military Polartec® / X-static Boxers, Coyote

    5 stars
    (13)
    Clearance $17.99

    In Stock

  2. New U.S. Military Surplus Polartec® X-static® Long-sleeved Mock Shirt, Coyote

    4 stars
    (10)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $60.00

    In Stock

  3. New U.S. Military Surplus Polartec® X-static® 1/4-zip Midweight Pullover Shirt, Coyote

    4 stars
    (3)
    Buyer's Club $31.49 Non-Member $34.99 Compare at $80.00

    In Stock

  4. New U.S. Military Surplus Polartec® X-static® Midweight Pants, Coyote

    4 stars
    (4)
    Buyer's Club $31.49 Non-Member $34.99 Compare at $60.00

    In Stock

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These long johns and underwear are great for Outdoors activities. We carry many of your favorite brands like Under Armour, Guide Gear, WSI, and 5.11 Tactical.

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