We have everything to outfit your passion.
We have everything to outfit your passion.

Underwear, Base Layer & Pajamas

Save big on Men's Underwear and Base Layer at Sportsman's Guide. Every guy could use a couple new pairs of Boxers or Briefs and at Sportsman's Guide you can also choose from Thermal Long Underwear, Compression Shorts, Base Layers, and Long Johns These Long Johns and Underwear are great for outdoors activities. Stay comfortable throughout your workday and leisure time.

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  1. Buyer's Club $17.99 Non-Member $19.99
    4.4 stars
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  2. Buyer's Club $22.49 Non-Member $24.99
    4.6 stars
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  3. Non-Member $19.99 Buyer's Club Pricing Applied at Checkout! Was $21.99
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  4. Buyer's Club $10.89 Non-Member $12.09 Was $39.99
    4.7 stars
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  1. Buyer's Club $40.59 Non-Member $45.09 Was $89.99
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  2. Buyer's Club $26.99 Non-Member $29.99
    4.6 stars
    4.6 (80)
  3. Buyer's Club $17.99 Non-Member $19.99
    5 stars
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  4. Buyer's Club $16.29 Non-Member $18.09 Was $39.99
    4.5 stars
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  1. Non-Member $74.99 Buyer's Club Pricing Applied at Checkout!
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  2. Non-Member $84.99 Buyer's Club Pricing Applied at Checkout!
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  3. Non-Member $29.99 Buyer's Club Pricing Applied at Checkout!
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  4. Non-Member $54.99 Buyer's Club Pricing Applied at Checkout!
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  1. Buyer's Club $18.89 Non-Member $20.99 Was $29.99
    4.5 stars
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  2. Non-Member $49.99 Buyer's Club Pricing Applied at Checkout!
    4.7 stars
    4.7 (17)
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  4. Non-Member $84.99 Buyer's Club Pricing Applied at Checkout!
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  1. Buyer's Club $17.99 Non-Member $19.99
    5 stars
    5 (3)
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  2. Buyer's Club $26.99 Non-Member $29.99
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  3. Buyer's Club $26.99 Non-Member $29.99
    2.9 stars
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  4. Non-Member $35.00 Buyer's Club Pricing Applied at Checkout!
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  1. Non-Member $70.00 Buyer's Club Pricing Applied at Checkout!
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  3. Non-Member $29.99 Buyer's Club Pricing Applied at Checkout!
    4.6 stars
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  4. Non-Member $80.00 Buyer's Club Pricing Applied at Checkout!
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  1. Non-Member $50.00 Buyer's Club Pricing Applied at Checkout!
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  3. Non-Member $90.00 Buyer's Club Pricing Applied at Checkout!
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  4. Non-Member $65.00 Buyer's Club Pricing Applied at Checkout!
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  1. Buyer's Club $22.49 Non-Member $24.99

    Item is currently on backorder

    4.3 stars
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  2. Buyer's Club $22.49 Non-Member $24.99

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    5 stars
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  3. Non-Member $44.99 Buyer's Club Pricing Applied at Checkout! Was $47.99

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  4. Non-Member $49.99 Buyer's Club Pricing Applied at Checkout! Was $52.99

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