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ExOfficio Boxer Briefs - Underwear (For Men) in Black - 2nds
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$17.95 Save 30%
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Terramar Body Sensors® Boxer Briefs - Tech Mesh Pro-Jersey (For Men) in Black - Closeouts
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$9.95 Save 44%
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Icebreaker Everyday Boxer Briefs - UPF 20+, Merino Wool (For Men) in Cave - Closeouts
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$23.95 Save 31%
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Icebreaker Oasis T-Shirt - UPF 30+, Merino Wool, Lightweight, Short Sleeve (For Men) in Cave - Closeouts
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$51.95 Save 30%
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Icebreaker Oasis Shirt - UPF 30+, Merino Wool, Long Sleeve (For Men) in Concord - Closeouts
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$62.95 Save 30%
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ExOfficio Briefs - Underwear (For Men) in Charcoal - 2nds
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$13.95 Save 30%
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Kenyon Base Layer Bottoms - Polartec® Power Stretch® (For Men) in Navy - 2nds
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$32.50 Save 40%
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SmartWool 2013 PhD HyFi Hoodie Jacket (For Men) in Black - Closeouts
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$144.95 Save 34%
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Terramar Helix T-Shirt - UPF 25+, Long Sleeve (For Men) in Gunmetal - Closeouts
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$14.95 Save 40%
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Icebreaker Original Zip Base Layer Top - Merino Wool, Zip Neck, Long Sleeve (For Men) in Gravel - Closeouts
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$104.95 Save 30%
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Icebreaker Oasis Base Layer Leggings - UPF 30+, Merino Wool (For Men) in Monsoon - Closeouts
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$62.95 Save 30%
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Columbia Sportswear Omni-Heat® Base Layer Top - Midweight, Long Sleeve (For Men) in Grill - Closeouts
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$35.95 Save 34%
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2(x)ist No-Show Underwear - Briefs, 3-Pack (For Men) in White - Closeouts
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$19.95 Save 37%
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Icebreaker Apex Base Layer Bottoms - UPF 30+, Merino Wool, Built-In Fly (For Men) in Cave - Closeouts
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$69.95 Save 30%
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Icebreaker Sonic Crew Top - Merino Wool, Long Sleeve (For Men) in Force - Closeouts
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$69.95 Save 30%
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Terramar Dri-Release® T-Shirt-  Lightweight, Short Sleeve (For Men) in Flame - Closeouts
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$14.95 Save 40%
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Columbia Sportswear Omni-Heat® Base Layer Top - Heavyweight, Long Sleeve (For Men) in Black - Closeouts
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$42.95 Save 33%
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Terramar Body-Sensors Boxer Briefs - Ventilator Mesh (For Men) in Grey - Closeouts
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$9.95 Save 44%
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ExOfficio Boxer Shorts - Underwear (For Men) in Charcoal - 2nds
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$17.97 Save 30%
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Icebreaker Oasis Flow Base Layer Top - Merino Wool, Long Sleeve (For Men) in Scout - Closeouts
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$65.95 Save 30%
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Tommy John Sport Boxer Briefs (For Men) in Black - Closeouts
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$21.95 Save 33%
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Tommy Hilfiger Woven Boxers Gift Set - 2-Pack (For Men) in Blue Plaid Multi - Closeouts
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$22.95 Save 33%
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Columbia Sportswear Quickest Wick Base Layer Top - Sleeveless (For Men) in Black - Closeouts
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$23.95 Save 36%
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2(x)ist Contour Pouch Briefs - Cotton, 3-Pack (For Men) in White - Closeouts
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$19.95 Save 37%
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Terramar Underwear Boxer Briefs - Four-Way Stretch (For Men) in Black - Closeouts
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$11.00 Save 31%
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2(x)ist No-Show Trunks - Boxer Briefs, 3-Pack (For Men) in White/Black/Race Car Red - Closeouts
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$22.95 Save 36%
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RedRam by Icebreaker Merino Wool Leggings - Base Layer (For Men) in Navy - Closeouts
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$39.95 Save 31%
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Kenneth Cole Reaction Cotton Boxer Briefs - 3-Pack (For Men) in Light Blue/Navy/Grey - Closeouts
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$19.95 Save 42%
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Icebreaker 2013 Bodyfit 260 Base Layer Top - Merino Wool, Crew Neck, Long Sleeve (For Men) in Black - Closeouts
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$69.95 Save 30%
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Icebreaker Tech T Lite T-Shirt - UPF 30+, Merino Wool, Long Sleeve (For Men) in Stealth - Closeouts
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$55.95 Save 30%
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Redington RediLayer Base Layer Top - Merino Wool/Nylon, Neck Zip (For Men) in Eddy - Closeouts
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$29.95 Save 62%
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Luk Woven Plaid Boxers - 2-Pack (For Men) in Red/Teal - Closeouts
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$11.95 Save 45%
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Columbia Sportswear Quickest Wick Base Layer Top - UPF 30, Short Sleeve (For Men) in Black - Closeouts
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$27.95 Save 33%
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Columbia Sportswear Bug Shield Base Layer Top - Lightweight, Long Sleeve (For Men) in White - Closeouts
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$42.95 Save 38%
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Medima Merino Wool-Angora Shirt - Extra Long, Lightweight, Short Sleeve (For Men) in Asphalt - Closeouts
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$59.95 Save 34%
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Columbia Sportswear Expedition Extreme Fleece Omni-Heat® Tights (For Men) in Black - Closeouts
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$49.95 Save 33%
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Icebreaker Bodyfit 150 Leggings with Fly - Merino Wool (For Men) in Black/Mineral - Closeouts
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$49.95 Save 28%
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Columbia Sportswear PHG Camo Omni-Heat® Top - Heavyweight, Long Sleeve (For Men) in Breakup - Closeouts
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$49.95 Save 33%
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Terramar Pro-Mesh T-Shirt - UPF 25+, Short Sleeve (For Men) in Black - Closeouts
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$14.95 Save 40%
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2(x)ist Boxer Briefs - 3-Pack (For Men) in Moutnain View/Cranberry/Medevil Blue - Closeouts
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$22.95 Save 36%
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Columbia Sportswear Base Layer Top - Lightweight, Short Sleeve (For Men) in Black - Closeouts
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$26.95 Save 51%
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Columbia Sportswear Insect Blocker® Shirt - UPF 50, Zip Neck, Long Sleeve (For Men) in White - Closeouts
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$48.95 Save 30%
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Terramar Pro-Jersey Boxers (For Men) in Black - Closeouts
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$12.95 Save 35%
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Wickers Long Underwear Top - Long Sleeve (For Men) in White - 2nds
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$20.95 Save 41%
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Kokatat Innercore Base Layer Top - Lightweight, Long Sleeve (For Men) in Cobalt - Closeouts
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$42.50 Save 38%
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Columbia Sportswear PHG Camo Omni-Heat® Tights - Heavyweight (For Men) in Breakup - Closeouts
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$49.95 Save 33%
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Columbia Sportswear Base Layer Top - Lightweight, Sleeveless (For Men) in White - Closeouts
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$24.95 Save 50%
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Terramar Four-Way Stretch Briefs (For Men) in Black - Closeouts
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$9.95 Save 37%
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ExOfficio Boxer Briefs (For Men) in Deep Palm - Closeouts
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$12.92 Save 50%
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BR4SS Fitted Boxers - Stretch Cotton (For Men) in Black/Volt - Closeouts
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$6.44 Save 59%
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2(x)ist Jersey Crew T-Shirts - 3-Pack, Short Sleeve (For Men) in White - Closeouts
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$22.95 Save 36%
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Tommy Hilfiger Knit Boxers - 2-Pack (For Men) in Mahogany - Closeouts
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$22.95 Save 36%
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Icebreaker Anatomica T-Shirt - UPF 30+, Merino Wool, Short Sleeve (For Men) in Cricket - Closeouts
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$44.95 Save 30%
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Terramar  Long Underwear Top -Silk, Lightweight, Long Sleeve (For Men) in Black - 2nds
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$27.95 Save 37%
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Kenneth Cole Reaction Cotton V-Neck T-Shirts -3-Pack, Short Sleeve (For Men) in White - Closeouts
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$19.95 Save 42%
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Mountain Hardwear Stretch Thermal Suit (For Men) in Black - Closeouts
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$104.95 Save 30%
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2(x)ist Athletic No-Show Boxer Briefs - Stretch Cotton (For Men) in White - Closeouts
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$18.95 Save 32%
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2(x)ist Vivid No-Show Trunks - Contour Pouch (For Men) in Black - Closeouts
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$18.95 Save 32%
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Kenneth Cole Reaction Cotton Trunks - 3-Pack (For Men) in White/Light Blue/Navy - Closeouts
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$19.95 Save 42%
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Kenneth Cole Reaction Cotton Crew T-Shirts - 3-Pack, Short Sleeve (For Men) in White - Closeouts
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$19.95 Save 42%
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Kenyon Polarskins Base Layer Top - Lightweight, Long Sleeve (For Men) in Khaki - Closeouts
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$12.95 Save 41%
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Icebreaker Anatomica Tank Top - UPF 30+, Merino Wool, Lightweight (For Men) in Black - Closeouts
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$37.95 Save 31%
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Icebreaker Bodyfit 200 Base Layer Bottoms - Merino Wool, Lightweight (For Men) in Black - Closeouts
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$62.95 Save 30%
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Simms Downunder Base Layer Bottoms - Merino Wool (For Men) in Charcoal - Closeouts
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$59.95 Save 33%
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Kenyon Polarskins Expedition Base Layer Bottoms - Heavyweight (For Men) in Black - Closeouts
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$19.95 Save 43%
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Kenyon Polartec® Power Stretch® Base Layer Top - Zip Neck, Long Sleeve (For Men) in Grey - 2nds
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$34.95 Save 41%
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Columbia Sportswear Omni-Heat® Base Layer Bottoms - Heavyweight (For Men) in Black - Closeouts
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$42.95 Save 33%
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Kenyon Polarskins Base Layer Bottoms - Midweight (For Men) in Black - Closeouts
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$16.95 Save 39%
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Terramar Long Underwear Bottoms - Silk, Lightweight (For Men) in Black - 2nds
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$27.95 Save 37%
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Kenyon Polarskins Base Layer Top - Lightweight, Long Sleeve (For Tall Men) in Black - Closeouts
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$13.95 Save 41%
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Terramar Pro-Jersey T-Shirt - UPF 25+, Short Sleeve (For Men) in Grey Heather - Closeouts
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$14.95 Save 40%
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2(x)ist Jersey V-Neck T-Shirts - 3 Pack (For Men) in White - Closeouts
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$22.95 Save 36%
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Terramar Camouflage TXO 2.0 Base Layer Top - UPF 50+, Midweight, Long Sleeve (For Men) in Realtree Ap - Closeouts
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$39.95 Save 33%
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2(x)ist Jersey Tank Top - 3-Pack (For Men) in Black - Closeouts
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$19.95 Save 44%
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2(x)ist Ribbed Square-Cut Tank Tops - 2-Pack (For Men) in Black - Closeouts
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$19.95 Save 41%
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Izod Collegiate Woven Boxers - Low Rise, Cotton (For Men) in Terracotta - Closeouts
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$9.95 Save 33%
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About Men's Underwear & Base Layer

Dressing comfortably starts with selecting the right men’s underwear. Every man knows whether he prefers boxers, briefs, cotton blends, flannel or silk. But besides standard men’s underwear (boxers and briefs), winter activities require the warmth of men’s thermal base layer underwear. Since this layer is the closest thing to your skin, most men’s base layer underwear is made of breathable, moisture-wicking fabric. Unlike traditional cotton underwear, performance fabrics aid in the evaporation of sweat and prevent rapid cool down. It’s important to consider the weight when choosing men’s thermal underwear: lightweight, midweight or expedition weight are common. Look for men’s base layer underwear or wicking T-shirts featuring technological innovations like X-Static® for increased odor-resistance or Dryflo® for enhanced wicking. Merino wool and featherweight silk men’s thermal underwear are natural options for wicking underwear. Look for men’s underwear from high-quality brands like Terramar, Kenyon and Mountain Hardwear.
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