Smartwool Men’s Classic Thermal Merino Base Layer Crew

100% Wool Pull On closure MACHINE WASH WARM GENTLE CYCLE. WASH WITH LIKE COLORS. COLD WEATHER BASE LAYER. We’ve updated this fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Add this cold weather base layer to your winter wardrobe and experience the difference on your next adventure. SLIM FIT. Designed to meet the demands of outdoor adventuring, this slim fit crewneck shows off a slimming silhouette while offering unrestricted movement through the arms and chest. CLASSIC THERMAL MERINO. Ideal for cold-weather activities where warmth and breathability are crucial, this midweight fabric used a 100% Merino wool construction that helps move moisture away from skin to keep you warm and dry. FUNCTIONAL FEATURES. Go far, feel good with thoughtful tech to keep you trekking comfortably — interlock knitting enhances breathability, thermoregulation and moisture-wicking while flatlock seams minimize chafing for greater comfort. GO FAR. FEEL GOOD. From wool socks to base layers for men, women and kids, we aim to provide the highest quality apparel for your outdoor adventures with a commitment to environmental sustainability, racial equity and inclusivity.