BALEAF Men's 100% Merino Wool Base Layer Ski Thermal Underwear Warm Insulating Undershirts Long Sleeve Tops with Balaclava for Cold Winter Snowboarding Hiking Cycling Black L

• Insulating & Keep Warm: 245g 100% Merino Wool traps air fibers better than anything else to help you stay warm. Merino wool is a great insulator to block cold air from getting through, perfect for cold weather under 40°F. Next to Skin Comfort: 100% Superfine 17.5 Micron Merino Wool, perfect for wearing as base layer, under shirts, providing you with all day comfort and no itch！ Moisturing Wicking & Odor-Resistant: 100% merino wool does better in moisture wicking than other fabric and also regulates your body temperature very well to avoid overheating. Balaclava & Thumbholes: Merino Wool Thermal Underwear designed with balaclava and thumbholes provides with more coverage to protect you from wind, sun, and cold air. Merino wool base layers are effecting while being thin and lightweight. You can layer up without feeling uncomfortable or stuffy, perfect for skiing, snowboarding, cycling, hiking and other outdoor activities in cold weather.