See the entire selection of underwear and clothing at nwbackpack.com. Shop all your camping, hiking and backpacking gear needs. Satisfaction 100% Guaranteed.
| image | product | price | |
![Dri Rel Wool . picture]() | Dri Rel WoolDri-release single-layer wool made with 84% polyester, 11% Merino wool and 5% spandex. 360 degrees of stretch fabric for maximum flexibility and optimum fit. more | $25.80 |  |
![Duofold 100% Polypropylene Underwear . picture]() | Duofold 100% Polypropylene Underwear100% polypropylene. Ribbed knit construction allows maximum stretch and comfort. Long sleeved top with ribbed cuff and neckline. more | $9.75 | |
 | Duofold Varitherm Expedition Weight96% Polyester, 4% Lycra 2-layer thermal knit. 360º stretch for optimum performance fit. Quick drying with excellent moisture movement. more | $31.18 | |
 | Duofold Varitherm Midweight96% Varitherm Polyester, 4% Lycra. 360 degree stretch for maximum flexibility and optimum fit. Excellent moisture movement-quick drying. more | $13.24 | |
 | Eco-thermalMade from recycled polyester and bamboo fibers. Bambo is naturally antimicrobial and hypoallergenic. more | $21.73 | |
 | Kenyon Men's 100% Polypropylene UnderwearRibbed knit construction allows maximum stretch and comfort. Long sleeved top with ribbed cuff and neckline. more | $14.38 | |
 | Kenyon Polarskins Expedition Weight Fleece UnderwearSoft, cozy double-sided 100% polyester fleece for warmth and comfort. Crew neck top has knit trimmed neckline and sleeve cuffs. more | $25.94 | |
 | Men's 4-way Stretch Brief100% micro polyester VisaEndurance® comfort-stretch brief. 4-way stretch provides for maximum freedom of movement. more | $11.09 | |
 | Men's Boxer Briefs100% micro polyester VisaEndurance® fabric. 4-way stretch provides for maximum freedom of movement. 1 1/4" exposed plush logo moisture management elastic waistband. more | $20.14 | |
 | Men's Silkweight Boxer100% super soft filament micro-denier polyester provides for a luxurious ultra lightweight frictionless layer. more | $15.34 | |
![Midweight 4-way . picture]() | Midweight 4-wayBody-Sensors 4-way comfort stretch, midweight softspun Polyester with 92% Polyester and 8% Lycra with EC2 Quik-Dri is a high performance baselayer that will keep you warm and wick moisture. more | $19.38 | |
 | Poly-lite Rib Thermal UnderwearThis soft, lightweight 100% polyester thermal is of rib knit construction for maximum stretch and comfort. more | $5.81 | |
 | Terramar Body-sensors Silkweight UnderwearBody-Sensors Micro-Silk underwear is made from 100% Microfiber Polyester and EC2 QWIK-DRI. It provides lightweight, soft comfort as well as thermal regulation and anti-microbial protection. more | $15.70 | |
 | Terramar Helix Base Layer100% Micro Denier polyester. Engineered two-sided construction. Ec2 Qwik-Dri moisture management. Knit with air pockets for added moisture management. more | $17.14 | |
 | Terramar Helix ShirtsCrew neck, rolled forward shoulder eliminates seam at top of shoulder, flat seam construction, 100% Micro Denier polyester. more | $13.00 | |
 | Terramar Micro Stretch FleeceMulti-Purpose performance base layer for very cold weather activities. 95% Micro-Polyester/5% Spandex with EC2 © Qwik-Dri. more | $25.00 | |
![Terramar Polypropylene . picture]() | Terramar Polypropylene100% spun polypropylene underwear is the ideal underwear for all active outdoor activities. Lightweight and warm without the bulk, this single layer underwear should be worn next to the skin to allow the polypropylene to wick moisture away to keep you dry, warm and comfortable. more | $9.10 | |
![Terramar Polyvalent . picture]() | Terramar PolyvalentEC2 Quik-Dri Polyvalent is a polyester, nylon and spandex blend that combines the benefits of Terramar patented EC2 moisture management technology with spandex compression to increase support and thus reduce muscle fatigue. more | $13.00 | |
 | Terramar SilkweightTerramar Silkweight is one of the lightest and fastest drying base layer garment that incorporates odor-fighting silver technology. more | $19.46 | |
 | Terramar Silkweight Tee'sBody-Sensors Micro-Silk underwear is made from 100% Microfiber Polyester and EC2 Qwik-dri. It provides lightweight, soft comfort as well as thermal regulation and anti-microbial protection. more | $15.94 | |
 | Terramar Thermasilk100% Pure Silk Underwear. Natural, pure white, glossy, soft, incredibly light and warm. All Terramar Thermasilks come with the EC2 Qwik-Dri Electrostatic process which has the ability to actually lift the moisture molecules away from the body and break them down for rapid evaporation. more | $27.00 | |
 | Terramar Thermolator IiEC2 Thermolator is a unique blend of 86% micro polyester, 14% spandex (2 fabric construction, jersey and mesh). more | $18.75 | |
 | Terramar V-neck TeeWomen's tee made from 100% multi-staple length Jersey Polyester construction for advanced thermal regulation. more | $12.68 | |
![Terramar Women's 4-way Stretch Athletic Brief . picture]() | Terramar Women's 4-way Stretch Athletic BriefTencel® is the eco friendly new age fiber with natural performance. The Tencel® spandex blend moves with you and won't overheat. more | $8.45 | |
