The Bodyfit 200 Oasis underwear crew top from Icebreaker has great versatility, taking you from mountain biking, hiking to spring skiing. Made of soft, non-irritating merino wool, these long underwear resists odors naturally. Merino wool wicks away moisture and breathes to regulate temperature for outstanding comfort in a variety of conditions. Raglan sleeves offer non-irritating, seamless comfort at the shoulders and allow freedom of movement. Flat sewn side gusset seam construction prevents chafing. Machine washable, line dry or dry flat in shade.

Using natural anti-odor management, this Marmot lightweight top dries fast, controls odors, provides UV protection and won't wash out?Çöit improves the more you wash and dry it! Polartec?« Power Dry?« Cocona?äó is a blend of moisture-, odor- and UV-management using natural means instead of chemicals. Polartec Power Dry has a patented, moisture-wicking bi-component construction that helps keep your skin dry as you sweat. Cocona is derived from discarded coconut shells rendered into activated charcoal which is then reduced, blended and fused into the fabric. Activated charcoal naturally removes odor and particles from fabric?Çöjust like your water filter?Çöand won't wash out. Cocona products will retain or improve their performance over the life of the product. Naturally UV-resistant fabric with a UPF 40 rating shields skin from the sun's harmful ultraviolet rays. Flatseam construction is soft and nonchafing next to skin. Tag-free neckline won't irritate your sensitive skin. Machine wash and dry; moisture-wicking ability won't wash out.

Using natural anti-odor management, this Marmot lightweight underwear top dries fast, controls odors, provides UV protection and won't wash out?Çöit improves the more you wash and dry it! Polartec?« Power Dry?« Cocona?äó is a blend of moisture-, odor- and UV-management using natural means instead of chemicals. Polartec Power Dry has a patented, moisture-wicking bi-component construction that helps keep your skin dry as you sweat. Cocona is derived from discarded coconut shells rendered into activated charcoal which is then reduced, blended and fused into the fabric. Activated charcoal naturally removes odor and particles from fabric?Çöjust like your water filter?Çöand won't wash out. Cocona products will retain or improve their performance over the life of the product. Naturally UV-resistant fabric with a UPF 40 rating shields skin from the sun's harmful ultraviolet rays. Raglan sleeves offer non-irritating, seamless comfort at the shoulders and allow freedom of movement. Flatseam construction is soft and nonchafing next to skin. Tag-free neckline won't irritate your sensitive skin. Machine wash and dry; moisture-wicking ability won't wash out.

The Mountain Hardwear Advance Lightweight Crew top is so comfortable that you might just find yourself wearing it on days when you don't need a highly efficient base layer. Polyester microknit moves moisture away from your skin fast, dries quickly and protects against odor-causing bacteria. Flatlock seams maximize motion and minimize abrasion.

The Mountain Hardwear Advance Lightweight Crew long-sleeve top provides a base layer of moisture-wicking comfort. Polyester microknit moves moisture away from your skin fast, dries quickly and protects against odor-causing bacteria. Flatlock seams maximize motion and minimize abrasion.

When you turn up the heat during cool weather activities, layer up with this Mountain Hardwear next-to-skin Power Stretch?« zippered top for warm, wicking and fast drying comfort. Lightweight Polartec?« Power Stretch with 4-way stretch features a moisture-wicking brushed inner face and a smooth, durable outer face. Zip top keeps you dry when you sweat and provides warmth without weight. Flatlock seams maximize motion and minimize abrasion. 2 in. stand-up collar with 12 in. deep front zipper provides warmth and ventilation as needed to match your activity level. Left shoulder features a small pocket with an overlap opening/closing.

A first layer for high-endurance activities in cool to warm temps, this lightweight zip T-neck is highly breathable and dries quickly. Patagonia has reinvented its Capilene?« performance base layers, making them now from recycled and recyclable synthetic fiber. Gladiodor?äó natural odor control employs benign amino acids to help keep funky scents at bay; plus, it's nonpolluting, safe and durable. Raglan sleeves eliminate shoulder seams, enhancing range of motion and comfort under pack straps. Flat-ribbed underarm and side panels are extra soft for chafe-free comfort where arms are most active next to fabric. Flatseam construction is soft and non-chafing next to skin. Zipper is backed by a draft flap and tucks neatly into zipper "garage". Contoured fit minimizes bulk making this an easy-layering garment that won't restrict your movement. Hem length appropriate when left untucked. 100% recyclable through Patagonia's Common Threads Recycling Program?Çösimply return your worn out item to Patagonia.

Patagonia silky soft Capilene 2 Crew is a great first layer for cool-weather skiing or keeping cool during pursuits in hot and humid weather. Patagonia Capilene?« performance base layers are made from recycled (54% of fabric is from recycled fiber) and recyclable synthetic fiber. Featherweight Capilene polyester is famously lightweight, breathable and quick drying. Gladiodor?äó natural odor control employs benign amino acids to help keep funky scents at bay; plus, it's nonpolluting, safe and durable. Raglan sleeves offer non-irritating, seamless comfort at the shoulders and allow freedom of movement. Flat-ribbed underarm and side panels are extra soft for chafe-free comfort where arms are most active next to fabric. Contoured fit minimizes bulk, making this an easy-layering garment that won't restrict your movement. 100% recyclable through Patagonia's Common Threads Recycling Program?Çösimply return your worn out item to Patagonia.

This lightweight underwear top can be worn alone or used as a performance insulation layer. Quick-drying polyester fabric wicks moisture away from body to keep you comfortable. Loose fit features two-way comfort stretch. Flatseam construction is soft and nonchafing next to skin. Sleeves are long enough to cover biceps. Dropped back hem stays tucked in. Fabric provides UPF 50+ sun protection, shielding skin from harmful ultraviolet rays.

This lightweight underwear top can be worn alone or used as a performance insulation layer. Quick-drying polyester fabric wicks moisture away from body to keep you comfortable. Loose fit features two-way comfort stretch. Flatseam construction is soft and non-chafing next to skin. Sleeves are long enough to cover biceps. Dropped back hem stays tucked in. Fabric provides UPF 50+ sun protection, shielding skin from harmful ultraviolet rays.

This lightweight underwear top can be worn alone or used as a performance insulation layer. Quick-drying polyester fabric wicks moisture away from your skin. Loose fit features two-way comfort stretch. Flatseam construction is soft and non-chafing next to skin. Dropped back hem stays tucked in. Fabric provides UPF 50+ sun protection, shielding skin from harmful ultraviolet rays.

Lightweight and supple, this silk jersey long-sleeve crewneck is luxuriously comfortable, practical and provides great warmth for it's weight! Made from 100% pure filament silk, it provides excellent warmth without bulk. Soft, breathable and resilient, silk is the ultimate in comfort. Natural silk fabric is enhanced with a wicking treatment to help keep you dry and warm. Dropped back hem stays tucked in. Ribbed finish on neck and cuffs. Machine wash in cold water on gentle cycle, or hand wash.

Lightweight and supple, this tall silk jersey long-sleeve crewneck is luxuriously comfortable, practical and provides great warmth for it's weight! Made from 100% pure filament silk, it provides excellent warmth without bulk. Soft, breathable and resilient, silk is the ultimate in comfort. Natural silk fabric is enhanced with a wicking treatment to help keep you dry and warm. Dropped back hem stays tucked in. Ribbed finish on neck and cuffs. Machine wash in cold water on gentle cycle, or hand wash.

The body-fitting, long-sleeve NTS Microweight Crew for men is great for warm or cool weather activities. Wear it alone or as a base layer. Jersey-knit, fine merino wool helps maintain a comfortable temperature whether the day is hot, cold or in between. SmartWool items are guaranteed not to itch and can be repeatedly washed and dried without shrinking. Chafe-free flatlock side seams increase comfort. Easy care: machine wash and dry on cool temperature setting.

The North Face Lightweight XTC crew top combines bamboo-derived charcoal with polyester to create a high-performance base layer suitable for a wide range of cool-weather activities. Polyester and bamboo charcoal polyester blend offer moisture-, odor- and UV-management using natural means instead of chemicals. Polyester yarns are embedded with charcoal from carbonized bamboo; the highly porous nature of carbon helps wick and disperse moisture to dry quickly. Bamboo charcoal naturally removes odor and particles from fabric?Çöjust like your water filter?Çöand won't wash out. Naturally UV-resistant fabric with a UPF 30 rating shields skin from the sun's harmful ultraviolet rays. Bamboo is a highly renewable resource that is easily grown without fertilizers and pesticides. Droptail hem offers increased coverage for active sports. Reflective logo on left bicep enhances visibility. Gusseted underarms allow a full range of motion without binding. Flatseam construction is soft and nonchafing next to skin.

The North Face Lightweight XTC Quarter-Zip top combines bamboo-derived charcoal with polyester to create a high-performance base layer suitable for a wide range of cool-weather activities. Polyester and bamboo charcoal polyester blend offer moisture-, odor- and UV-management using natural means instead of chemicals. Polyester yarns are embedded with charcoal from carbonized bamboo; the highly porous nature of carbon helps wick and disperse moisture to dry quickly. Bamboo charcoal naturally removes odor and particles from fabric?Çöjust like your water filter?Çöand won't wash out. Naturally UV-resistant fabric with a UPF 30 rating shields skin from the sun's harmful ultraviolet rays. Bamboo is a highly renewable resource that is easily grown without fertilizers and pesticides. 8 in. zipper regulates temperature instantly. Droptail hem offers increased coverage for active sports. Reflective logo on collar enhances visibility. Gusseted underarms allow a full range of motion without binding. Flatseam construction is soft and nonchafing next to skin.