Women's Clothing > Fleece & Base Layers

Whether you're planning to run on a frosty December night or you're looking for the perfect pair of heavier-weight tights to wear under snow pants, SmartWool's Midweight Bottoms fit the bill with thick, breathable Merino wool knit fabric. Run or skate-ski with ease - the covered elastic waistband and flatlock...

With a crew neckline and jersey knit fit, SmartWool's Midweight Crew is a perfect base or stand-alone layer for everything from biking to skiing. 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 activities Naturally...

Crew neckline with raglan long sleeves Rib fabric creates a form fitting silhouette Contrast color flatlock seams add interest & flatter Flatlock seam construction eliminates chafingQ00% Smartwool rib knit

A good layering starts here, with the SmartWool Microweight Hipster for Women. With a flattering fit and awesome base layer performance, the hip-hugging Microweight Hipster will keep you dry and odor-free all day long. 96% SmartWool jersey knit, 4% Elastic Modern Silhouette flatters the female form Covered elastic waistband Flatlock...

SmartWool Lightweight V-Neck Top has a stylish all-over pattern, is a great-looking high performance piece that breathes better than you! SmartWool's Women's Lightweight V is re-designed but still has those moisture-moving fibers, creating a base-layer that breathes more easily than you do but, with the new, flattering princess seams, it...

Featuring the world's most efficient moisture management system, the Smartwool NTS Midweight Boot Top Bottoms for Women offers next to skin softness and a covered elastic waistband for all day comfort. Worn alone while chilling in yurt on a backcountry ski trip or layered up when on a grand traverse,...

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 8 in. zipper ventilates on demand, and raised collar helps keep your neck warm Shoulder panels eliminate top shoulder...

Built with SmartWool's lightest layering fabric, the SmartWool NTS Microweight Zip T for Women is the ideal way to start your layering system. Moisture wicking, temperature regulating and odor resistant, the NTS Microweight Zip T is next to ski soft and features flatlock, princess seaming for all-day comfort and a...

This next-to-skin, body-fitting SmartWool Microweight Camisole excels during cool-weather activities. Merino wool jersey knit maintains next-to-skin comfort whether the climate is warm, cold or in between Adjustable shoulder straps keep the fit comfortable, and a generous body length lets you tuck in the hem, preventing skin exposure in cold weather...

The SmartWool Lightweight Long-Sleeve Zip top offers natural stretch and breathability for stop-and-go activities in fluctuating temperatures. Jersey-knit merino wool maintains next-to-skin comfort whether the climate is warm, cold or in between 8 in. zipper ventilates on demand, and raised collar helps keep your neck warm Shoulder panels eliminate top...

SmartWool especially designed the Women's NTS Lightweight Top to go next to your skin. Layer it for cold weather sports, or just wear it on its own for a fall or spring hike. Extra-soft Merino won't itch--but it will wick, dry, resist odor buildup, and breathe. Offset princess seams create...

This highly breathable jersey-knit bottom is designed for athletic people on the go. This piece works great as a next-to-skin layer in colder weather, or as a primary layer in warmer weather. The Smartwool fiber moves moisture away from the skin in its vapor state, so no more getting cold...

You put most of your long-underwear tops away after the winter. The lightweight SmartWool Women's Microweight Crew Top, however, stays out through spring and reappears during the fall. Layer this top under a vest for morning runs or under your softshell for bluebird ski days.

Underwear made of wool might sound counter intuitive. But we promise the Smartwool Women’s Microweight Hipster NTS Underwear won’t feel like your ma’s itchy, old ski sweater. These super soft, breathable undies pull sweat away from your skin and fight odor to keep you feeling fresh when you work or...

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 interlock knit for itch-free softness and a light, airy feel Zip-T has an 8-in. zipper with chin guard to prevent chafing Set-in sleeves Shoulder panels eliminate top shoulder seams for...

Back yoke design Contrast color flatlock seams add interest & flatterQ00% Smartwool rib knit

SmartWool's® moisture-moving fibers make these Lightweight Pants a breathable, odor-free option for warm weather workouts or highly aerobic winter activities. 100% SmartWool® jersey knit fabric is soft against the skin SmartWool® is highly breathable for natural comfort Moves moisture away from skin for dry comfort SmartWool® naturally regulates heating and...

The Smartwool Microweight Crew Thermal Top is Smartwool’s ligthest-weight thermal underwear. Naturally breathable and ordor-free, the Smartwool Microweight Crew Thermal Top can be worn alone when the going gets hot or as a base layer in cooler temperatures. Material - 100% SmartWool jersey knit Special Features - Highly breathable to...

The Smartwool Midweight Zip Tee Thermal Top features flatlock seam construction to eliminate chafing and Smartwool’s Active fit for bulk-free layering and freedom of movement. The Smartwool Midweight Zip Tee Thermal Top is perfect for any outdoor activity. Material - 100% Smartwool Interlock Knit Special Features - Mock zip neck...

Perfectly combining warmth and breath ability, SmartWool NTS Midweight works in harmony with your body's natural heating and cooling systems to create a comfortable microclimate next to your skin. A superior insulator, SmartWool NTS Midweight is an ideal baselayer choice for those blustery cold days of winter when the temps...

Smartwool Lightweight Bottoms for Women are made with SmartWool's most versatile fabric, 100% SmartWool Jersey Knit SmartWool Lightweight Bottoms for Women are made with Smartwool's most versatile fabric for moderate to high performance activities in a variety of temperatures. Ideal by itself in mild conditions, great as a next-to-skin when...

The SmartWool Lightweight Long-Sleeve V-Neck offers natural stretch and breathability for stop-and-go activities in fluctuating temperatures. Jersey-knit merino wool maintains next-to-skin comfort whether the climate is warm, cold or in between Shoulder panels eliminate top shoulder seams and reduce chafing, and princess seams add a flattering look Flatlock side seams...

Pull on your SmartWool Women's Lightweight V Long Underwear Top before you pitch your tent and make dinner. This lightweight base layer keeps you warm as the sun sets at your base camp, and feels comfy enough to wear into your sleeping bag. Hike, climb, or bike in it alone...

The SmartWool Women's Lightweight Zip-Top ain’t your grandma’s itchy wool undergarment—it’s a smooth, soft, lightweight baselayer that outperforms even the most techy synthetic top. SmartWool’s natural merino fibers quickly wick moisture away from your skin, so you’re not stewing in your own sweat on your morning skate ski. In addition...

SmartWool's Lightweight Zip T is a smart choice for warm-weather wear or cool-weather layering with itchless wool fabric that wicks quicker, washes easier, and smells better in the long haul than synthetics. Wear it as a baselayer for warmth in cold conditions or as a standalone - flattering princess seams...