Men's Clothing > Fleece & Base Layers > Tops

The Men's Monkey Man Zip T that is an ½ zip version of the Monkey Man has additional panels of Power Stretch® for even less restricted motion than it's full zip counterpart. Constructed from plush Monkey Phur for outstanding thermal efficiency and warmth-to-weight ratio. Perfect for climbing and all backcountry...

River level: 6,000. Air temp: 32. Water temp: glacial. You: dry and toasty warm in the Capilene 4 Zip-Neck. Soft, stretchy and compressible, Capilene 4 fabric's smooth jersey face glides beneath layers; its internal grid structure retains warmth, wicks perspiration and breathes. With a deep zipper, forward-set seams, a slight...

The perfect cool weather, active gear: windproof, breathable and lightweight with inset stretch panels and a DWR finish. Wear alone or under a lightweight jacket for aerobic activities. 100% polyester WINDSTOPPER Featherweight; 92% polyester, 8% elastane WINDSTOPPER Featherweight StretchS60 degree reflectivity Articulated sleeves Brushed tricot lined collar and chin guard...

The North Face Men’s XTC Lightweight ¼-Zip Long-Sleeve Shirt combines bamboo-infused polyester, flatlocked seams, underarm gussets, and a UPF rating of 30 to give you a highly breathable and extremely comfortable protective layer for cool-weather activity. The bamboo-infused polyester helps to wick away moisture and fight microbial funk so you...

The Icebreaker Slalom Crew Top is 100% merino wool so it's naturally itch-free, odor-free and insulating. The Icebreaker Slalom Crewe Top gives you exceptional warmth without all the bulk. Soft BodyFit 260 makes this top part of the warmest performance underwear in the world. For functionality, elastic thumb loops prevent...

Get that vintage look without having to travel back a few decades with the Reebok® Classic pullover hooded fleece. Made from potassium-tumble, heavy-washed material, it displays a distressed team name appliqué and team logo on the front. Weathered seams all over and edges on the cuffs and waistband add to...

The Arc'teryx RHO SL Crew Neck Long Sleeve will wick to keep you dry and comfortable. Raglan seams ensure smooth shoulder layering and the sublimated logo will catch looks when you sport these stylin' undies. Flatlocked construction Direct screen print logo for a no-feel hand Trim, next-to-skin, base layering fit...

Designed with 30% more merino wool knit fabric than the Icebreaker BodyFit150 collection, this BodyFit200 Oasis Crewe is the smart fabric weight choice for cool weather mountain biking, hiking and aerobic snow sports like cross country skiing and snowshoeing. The natural and highly breathable properties in the itch-free merino fibers...

Around town, in between activities, and anything else you can cram in, pull on the versatile TKA 100 Glacier 1/4 Zip from The North Face; it's lightweight - so it won't slow you, and soft enough to wear daily. This all-around, easy-to-maintain fleece pullover is thermally efficient, incredibly soft and...

A first layer for aerobic activities in a wide range of temps, this 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 Dense, brushed "honeycomb" fabric increases thermal value, softness and the compressibility Gladiodor™...

Built with 100% 260g merino wool and body hugging fit, the Icebreaker Bodyfit260 Tech Top for Men is the ideal midweight baselayer for active, on the go, athlete. Worn alone or layered up, the Tech Top zip will keep you warm, dry, and comfortable thanks to the natural moisture wicking,...

Wear the SmartWool Men's Lightweight Crew Top for cool-weather aerobic activities or as a next-to-skin base layer. SmartWool's porous natural fibers move moisture while it is still in vapor form before it has a chance to condense on your skin; you stay drier and more comfortable throughout your entire workout....

SmartWool Midweight Crew Top is comfortable next to skin and offers the world's most efficient moisture-management system Our heaviest line, Midweight, is perfect for forays into alpine environments where temperatures -- and schedules -- fluctuate. Comfortable next to the skin, and offering the world's most efficient moisture-management system. Features Crew...

Strike fear into all those around you when wearing your Airblaster Ninja Suit. Nobody will know what hit them when you show up in this one-piece wonder. Super-warm material is sewn up in a full head to ankle suit – the first of its kind! When battling evil-doers, or stomping...

An expedition weight baselayer designed to withstand the rigors of mountaineering, alpine climbing, or a day of hard-line skiing, the Mountain Hardwear Power Stretch Zip T for Men will keep you insulated and dry with its outstanding moisture wicking properties and quick dry Polartec® PowerStretch® fabric. Built with a 12"...

The Men's Cap 3 Crew by Patagonia is a versatile baselayer for moderate exertion in cool or cold weather. Fundamental to the funhog lifestyle, this crew nonchalantly flows from turns in the back bowls to catching a ride at the depot. Capilene 3 is the most versatile and fastest-wicking of...

SmartWool's heaviest next-to-skin option, the Midweight Zip T offers excellent moisture management, zip-T ventilation, and next-to-skin softness. Made from 100% SmartWool jersey knit for itch-free softness Zip-T (10-in. zipper) with chin guard to prevent chafing Shoulder panels eliminate top shoulder seams for layering comfort Flatlock seams for nonchafing comfort SmartWool...

Designed for wet-then-chill pursuits like backcountry skiing, alpine climbing and mountain trekking, our fastest-drying performance baselayer will keep you cool during endurance activities in warmer temperatures, but also insulates when skies turn dark. Its open knit invites airflow and provides excellent wicking and exceptional breathability. A draft flap backs the...

A plush, recycled-fleece pullover with a huge kangaroo pocket Soft, recycled, double-sided polyester fleece | Large, kangaroo-pouch handwarmer pocket with brushed polyester mesh pocket bag | Simplified trim package | Y-Joint sleeves | Elasticized collar, cuffs and hem This plush Synchilla pullover has an interior brushed-mesh pocket large enough to...

Wear your own tropical paradise with Icebreaker's Oasis Crew shirt. Merino wool naturally repels both moisture and odor while allowing your skin to naturally breathe, making this an ideal cool-weather top or cold-weather underlayer. A higher neckline traps heat when and where you need it. Raglan sleeve styling for comfort...

The Long Sleeved Midweight Crew by Marmot is a tribute that baselayer/long underwear can actually look good while keeping you warm. This Midweight Crew is made with a Polartec Power Dry with Cocona performance technology, which is a material derived from would-be discarded or “upcycled” Coconut shell husks. Why use...

Between colorful trails, crisp granite edges and verglas, some people wish October would last forever. If it did, the Patagonia R1 Flash Pullover for Men might be the only top you'd ever need. Its high/low grid interior stretches, breathes, moves moisture, and insulates whether worn next-to-skin, with a thin baselayer...

Pull on the 686 Direct Top Layer as your defense against clammy, cold skin while you ride. The Direct Top’s polypropylene fabric is hydrophobic, so it stays totally dry while your midlayer does the wicking. Your skin stays dry, you stay warm, your perma-grin stays perma.

The Icebreaker Men's Altitude Crewe Long Underwear Top will take you higher. Layer this base layer under a fleece for backcountry ski trips. Its 260g/m2 BodyFit merino wool breathes well to regulate your temp on the way up, then insulates to keep you warm when you get to the top....

Stay dry and cool and get some protection from sun and salt on your next open-water paddle in the silky Capilene 1 T-Shirt. It's quick to wick, ultra-breathable and fast to dry. The rib-knit collar is soft against the skin and the generous hem is long enough to tuck in....