Warmth without overheating. Soft merino wool delivers consistent warmth, controls moisture, and fights odor-perfect for intense efforts on frigid days. With a turtleneck design for versatile face and neck coverage, plus functional details, this one&&';;s built for serious layering in serious conditions. We love it for: cold weather running Merino RunWoolTM: 80% merino wool & 20% nylonKnit jersey Warming, wicking, breathable & odor-resistant Semi-relaxed fit Turtleneck design for adjustable coverage Heat map inspired decorative stitching Watch windows Thumbholes Machine wash cold, tumble dry low, don&';t bleach Designed in California, made abroad