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.

Grid List
Sort By:
1-48 of 74
Show:
Pages:
  1. 1
  2. 2
2
  1. 6 - Pk. Guide Gear® Boxer Briefs

    5 stars
    (91)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $38.00

    In Stock

  2. 6 - Pk. Guide Gear® Pouch Briefs

    5 stars
    (72)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

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

    5 stars
    (36)
    Buyer's Club $26.99 Non-Member $29.99

    In Stock

  4. Under Armour® ColdGear® Infrared EVO Mock Turtleneck

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

    In Stock

  1. 6 - Pk. of Guide Gear® Pouch Briefs, Camo

    5 stars
    (20)
    Buyer's Club $22.49 Non-Member $24.99

    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. Guide Gear® Kingsilk Bottoms, Black

    4 stars
    (34)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  4. Guide Gear® Kingsilk Crew Top, Black

    4 stars
    (38)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $40.00

    In Stock

  1. 2-Pk. of Guide Gear® Thermaweave Stretch Base Layer Tops

    4 stars
    (26)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  2. 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

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

    5 stars
    (2)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $40.00

    In Stock

  4. 4 Hanes® Flannel Boxers

    4 stars
    (9)
    Buyer's Club $22.49 Non-Member $24.99 Compare at $40.00

    In Stock

  1. 2 - Pk. of Guide Gear® Thermaweave Stretch Base Layer Pants

    3 stars
    (25)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $50.00

    In Stock

  2. Indera® 2-layer Performance Thermal Top, Gray

    5 stars
    (8)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

    In Stock

  3. 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

  4. 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

  1. 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

  2. Indera® 2-layer Performance Thermal Bottoms, Gray

    4 stars
    (10)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $38.00

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

    5 stars
    (13)
    Buyer's Club $26.99 Non-Member $29.99 Compare at $60.00

    In Stock

  1. Guide Gear® Balaclava

    5 stars
    (25)
    Buyer's Club $8.99 Non-Member $9.99

    Item is currently on backorder

  2. Clam™ Ice Armor™ Base Layer Fleece Top

    4 stars
    (3)
    Buyer's Club $29.69 Non-Member $32.99

    Item is currently on backorder

  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. Men's 32 Degrees Heat by Weatherproof® Performance Base-layer Crewneck Top

    5 stars
    (28)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  1. 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

  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. 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

  4. Clam™ Ice Armor™ Base Layer Fleece Bottom

    5 stars
    (5)
    Buyer's Club $29.69 Non-Member $32.99

    Item is currently on backorder

  1. Men's 32 Degrees Heat by Weatherproof® Performance Base-layer Bottoms

    5 stars
    (17)
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  2. 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

  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. ScentShied® S3® Expedition-weight Wool Pants

    5 stars
    (1)
    Buyer's Club $53.99 Non-Member $59.99 Compare at $74.99

    In Stock

  1. 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

  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. ScentShield® S3® Mid-weight Wool Shirt

    4 stars
    (1)
    Buyer's Club $71.99 Non-Member $79.99 Compare at $94.99

    In Stock

  4. 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

  1. ScentShield® S3® Mid-weight Wool Pants

     
    Buyer's Club $62.99 Non-Member $69.99 Compare at $84.99

    In Stock

  2. ScentShield® S3® Expedition-weight Wool Shirt

    4 stars
    (3)
    Buyer's Club $53.99 Non-Member $59.99 Compare at $74.99

    In Stock

  3. 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

  4. 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

  1. 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

  2. Men's WSI® Microtech Fitted Long-sleeve Shirt

    3 stars
    (5)
    Buyer's Club $17.99 Non-Member $19.99 Compare at $21.99

    In Stock

  3. WSI® Arctic HEATR® Vent Shirt, Black

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

    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. Clam™ Ice Armor Merino Wool Blend Base Layer Bottom

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

    Item is currently on backorder

  2. WSI® Microtech Neon Green Fitted Long-sleeved Shirt

     
    Buyer's Club $17.99 Non-Member $19.99 Compare at $21.99

    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. 2-Pk. Hanes® Boxer Shorts

     
    Buyer's Club $13.49 Non-Member $14.99 Compare at $20.00

    In Stock

1-48 of 74
Show:
Pages:
  1. 1
  2. 2
2

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.

Join or Renew The Sportsman’s Guide Buyer’s Club® Today! $29.99 per year

Save up to 10% on purchases every day. Join or Renew the Club

More Info