Men's Underwear on Sale Now up to 67% off at Sierra Trading Post

Customers have saved a total of $160,743.00 today! That's an average savings of 62%!

Get $10! Invite your friends to share the savings and they get $10 too!

Clothing
- Men's Clothing
- Women's Clothing
  - Jackets & Coats
  - Shirts
  - Pants
  - Underwear & Base Layer
  - Accessories
  - Sweaters
  - Socks
  - Sleepwear & Robes
  - Vests
  - Swimwear
  - Shorts
  - Skirts
  - Dresses
  - Pant Suits & Dress Suits
- Kids' Clothing
- New Items & More
Shoes
- Men's Footwear
  - Boots
  - Shoes
  - Socks
  - Slip-Ons
  - Slippers
  - Sandals
  - Footwear Accessories
- Women's Footwear
  - Boots
  - Shoes
  - Clogs & Slip-Ons
  - Socks
  - Slippers
  - Sandals
  - Footwear Accessories
- Kids' Footwear
- New Items & More
Sports & Outdoors
- Outdoor Gear
  - Camping & Hiking
  - Snow Sports
  - Luggage
  - Sunglasses
  - Water Sports
  - Hunting Gear
  - Fishing
  - Climbing
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  - Pet Gear
  - Triathlon Gear
  - Motorsports
- Sporting Goods
- New Items & More
For The Home
- - Luggage
  - Bedding
  - Blankets & Throws
  - Kitchen
  - Window Treatment
  - Pet Supplies
  - Backyard
  - Décor
  - Bath
  - Storage
  - Electronics
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- New Items & More
Bargain Barn
- - Clothing
  - Shoes
  - Sports & Outdoors
  - For The Home
  - Men's
  - Women's
  - Kids'
New Items & More
Top Brands
- - Acorn
  - Asics
  - Asolo
  - Brooks
  - Carhartt
  - Chaco
  - Columbia Sportswear
  - Dansko
  - Earth
- - Ecco
  - ExOfficio
  - Gramicci
  - Keen
  - Kelty
  - Lowe Alpine
  - Marmot
  - Merrell
  - Mountain Hardwear
- - New Balance
  - prAna
  - Saucony
  - Teva
  - The North Face
  - Vasque
  - White Sierra
  - Woolrich
  - See All Brands

Welcome New Customers! Click Now to get An Extra 20% OFF your first order.

Men's Underwear
Sizes
- General (S-5XL)
  - S
  - M
  - L
  - XL
  - 2XL
  - 3XL
  - 4XL
  - 5XL
Special sizes (Big)
- Big
Brands

Sort by
- Calida (6)
- Sunspel of England (2)
- Terramar (1)
- Derek Rose (1)
- Gitman Brothers (1)
Colors
Reviews
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- or more (8)
- or more (9)
Events
- On Sale Now
Prices
- $5-$9.99 (6)
- $10-$14.99 (2)
- $15-$19.99 (2)
- $25-$29.99 (1)
Search Within

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Terramar Underwear Boxer Briefs - Four-Way Stretch (For Men) in Black - Closeouts

Terramar Underwear Boxer Briefs - Four-Way Stretch (For Men)

$9.60 Save 40%

Discount Details X

Regular $12.00 Retail $16.00 Closeouts

Savile Collection by Derek Rose Boxer Shorts - Cotton (For Men) in Light Tan/White Stripe - Closeouts

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Savile Collection by Derek Rose Boxer Shorts - Cotton (For Men)

$25.56 Save 53%

Discount Details X

Regular $31.95 Retail $55.00 Closeouts

Gitman Brothers Cotton Boxer Shorts (For Men) in Blue/White Plaid - Closeouts

Gitman Brothers Cotton Boxer Shorts (For Men)

$8.76 Save 63%

Discount Details X

Regular $10.95 Retail $24.00 Closeouts

Sunspel Q14 Cellular Cotton Underwear - Briefs, Lightweight (For Big Men) in White - Closeouts

Sunspel Q14 Cellular Cotton Underwear - Briefs, Lightweight (For Big Men)

$19.16 Save 60%

Discount Details X

Regular $23.95 Retail $48.00 Closeouts

Calida Dynamic Cotton Underwear - Briefs (For Men) in Black - Closeouts

Calida Dynamic Cotton Underwear - Briefs (For Men)

$8.76 Save 67%

Discount Details X

Regular $10.95 Retail $27.00 Closeouts

Sunspel Supima® Q14 Cellular Cotton Underwear Boxer Shorts - Q14 Cellular (For Big Men) in White - Closeouts

Sunspel Supima® Q14 Cellular Cotton Underwear Boxer Shorts - Q14 Cellular (For Big Men)

$19.16 Save 60%

Discount Details X

Regular $23.95 Retail $48.00 Closeouts

Calida Thema Prints Cotton Underwear - Briefs, Opening (For Men) in Black/Blue - Closeouts

Calida Thema Prints Cotton Underwear - Briefs, Opening (For Men)

$11.96 Save 67%

Discount Details X

Regular $14.95 Retail $37.00 Closeouts

Calida Liberty Boxer Shorts - Combed Cotton Jersey (For Men) in Dark Blue - Closeouts

Calida Liberty Boxer Shorts - Combed Cotton Jersey (For Men)

$11.96 Save 58%

Discount Details X

Regular $14.95 Retail $29.00 Closeouts

Calida Sport Underwear Briefs - Single-Jersey Cotton (For Men) in White - Closeouts

Calida Sport Underwear Briefs - Single-Jersey Cotton (For Men)

$8.76 Save 63%

Discount Details X

Regular $10.95 Retail $24.00 Closeouts

Calida Celebration Underwear Briefs (For Men) in Black - Closeouts

Calida Celebration Underwear Briefs (For Men)

$8.76 Save 66%

Discount Details X

Regular $10.95 Retail $26.00 Closeouts

Calida Thema Prints Underwear - Midi-Brief, Cotton (For Men) in Twilight - Closeouts

Calida Thema Prints Underwear - Midi-Brief, Cotton (For Men)

$8.76 Save 66%

Discount Details X

Regular $10.95 Retail $26.00 Closeouts

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