Men's Clothing > Fleece & Base Layers

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...

The Reactor Half Zip is a clean, effective 100 wt. micro-fleece sweater that takes the nip out of chill weather or low thermostats. These fabrics are available in a range of weights to provide the right level of insulation for most outdoor activities. Polartec Classic 100 weight fabrics are the...

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 Men's Capilene 4 Bottoms by Patagonia is stay dry and warm in this stretch baselayer for high-output, stop-and-go activities in cold weather FEATURES of the Men's Capilene 4 Bottoms by Patagonia SPECIFICATIONS: Our warmest baselayer fabric, Capilene 4 offers stretch, great breathability and compressibility Interior grid wicks moisture, trims...

Zip around the flags in this top and you'll have the perfect run. The versatile three way zip collar (wear it zipped up, zipped down or zipped up and folded over) and the incredible breathability make the Slalom Zip an ideal action top. FEATURES Striped sleeve and side seam. Reverse...

Great for layering or stand alone use the thermally efficient TKA 100 ¼ zip is lightweight and resists pilling and fading while maintaining its relaxed fit shape. Whether you’re battling the elements of Mt. Hood or jogging the streets of Portland the TKA 100 has you properly covered. Give'm a...

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...

The M's Microweight Boxer Brief features a traditional fly design, covered elastic waistband and flatlock seam construction that eliminates chafing. With our Microweight fabric, you stay dry and fresh during strenuous activity as the fabric quickly transfers perspiration away from your skin. SmartWool® jersey-knit, fine merino wool helps maintain a...

The Men's Boxer from Ex Officio is the one pair you'll pack every time. They've been designed to fit comfortably without bunching or binding on even the most demanding travel days. Odor resistant and quick to dry without a dryer, you can bring fewer pairs, wash as you go and...

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...

You will be warm and comfortable wearing this Dallas Cowboys grey Practice crew fleece from Reebok®. The officially licensed cotton/polyester fleece is decorated in the team colors and designed the team name and football graphic screen-printed on the chest. 80% cotton, 20% polyester Ribbed crew neck collar, cuffs and waistband...

The versatile Microweight T-Shirt features SmartWool's soft merino wool fabric, which pulls sweat vapors away from your skin to keep you dry and comfortable. Wear this SmartWool short-sleeve shirt by itself on a warm-weather trail run or as a base layer underneath a fleece and a ski jacket. Merino wool...

A boxer born for your travels. With its quick drying, moisture wicking, and odor resistance properties, you can pack few pairs and wash and go as you need during your weeklong fly fishing trip on the Yakima River. ExOfficio clothing field-tested and approved by the African Wildlife Foundation. Travel-friendly Give-N-Go...

Wear them beneath shell pants on your trudge up Whitney, or on their own in your bag back at camp. Made from an open-knit 4-oz polyester (54% recycled) that provides exceptional breathability, wicks perspiration and dries in a flash, our Capilene 2 Bottoms are the ultimate in comfort beneath outer...

Perfect for forays into alpine environments, the SmartWool Men's Microweight Bottoms surround your legs in comfort and performance with next-to-skin custom fitting, a covered elastic waistband, and flatlock seams. SmartWool 100% jersey knit Merino wool that has tiny air pockets providing an insulating layer of natural air, is the perfect...

The SmartWool Midweight Zip top offers natural stretch and breathability for stop-and-go activities in fluctuating temperatures. Jersey-knit merino wool maintains your comfort whether the climate is warm, cold or in between 10 in. zipper ventilates on demand, and raised collar helps keep your neck warm Shoulder panels eliminate top shoulder...

Our ultra-supportive Active Sport Boxer Briefs have an open-weave mesh that provides the added benefit of air-conditioning. The seamless waistband and soft leg edges won't roll or bind. The flat-sewn gusseted 6" inseam (size M) is offset to prevent inner-thigh chafe. Fly-free, with a smooth front panel for opacity. Now...

SmartWool's heaviest Next-To-Skin option, the Midweight Crew is perfect for adventures in alpine environments where the only thing you can count on is the weather changing. Made from 100% merino wool jersey knit Absorbs, transfers, and evaporates moisture for dry comfort Regulates body temperature with breathable, midweight warmth for cold-weather...

The Mens Smartwool Lightweight Crew regulates your temperature all year long as a baselayer or on its own. Made of 100% Wool Jersey Knit, the Lightweight Crew has all the benefits of soft New Zealand wool. A natural fit for warm-weather, this SmartWool wonder is odor-free, wicking, and breathable. To...

Wear it for a walk across campus or for layering under your parka, the TKA Micro 1/4 Zip from The North Face keeps you warm with softly brushed fleece. While you stay warm in the thermally efficient fabric you won't have to worry about getting it dirty, washing is a...

Whether you're under the bright neon lights at your team's home court or on your couch at home, the adidas® 3-Stripe track jacket is a must-have when it comes to sporting apparel. Made with a full-length zipper, this polyester track jacket displays your favorite team's logo embroidered on the left...

Looking for a perfect base layer? Not to thick, not to thin and ideal for variable mountain conditions. The Burton Midweight Shirt is One of our best selling Burton Base layers. Looking for a perfect base layer? Not to thick, not to thin and ideal for variable mountain conditions. One...

Get two of your favorite things in one lightweight baselayer: Patagonia's Capilene I Graphic Crew provides you with quirky graphics and silky soft Capilene 1. Make a statement with the clever front graphic while you enjoy the wicking power and quick drying provided by Capilene I, a light fabric constructed...

Marmot Power Stretch Pants provide cozy warmth with stretch, making them ideal for layering on cold days. The dynamic stretch allows you to run, skin or stomp without restriction. Designed as tight fit base layers, these pants are cold weather essentials! Polartec Power Stretch not only stretches but also wicks...

Mountain Hardwear's Power Stretch Zip T is their expedition weight base layer and is designed to take the rigors of alpine climbing and high altitude mountaineering. Polartec Power Stretch provides exceptional moisture management and reverses for longevity in the field. A high collar and deep zip provide ventilation options. Polartec®...