Heavyweight merino base layer bottoms designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Leggings feature 100% pure and natural merino wool.Features:- ZoneKnit™ - Engineered body mapped technology to regulate your body temperature and let your skin breathe during high-intensity activity- Gusset for mobility and comfort- Flatlock seams to prevent frictionSpecifications:Product weight:- Medium = 230 g /8.1 ozFabric content:- 100% Merino WoolFabric weight:- 260 MidweightCare:- Machine wash with similar colors. Do not use softeners, do not use bleach. Dries fast in the shade, do not tumble dry. Do not dry clean. Exact instructions on the care label. Compare prices from: Icebreaker in Men's Underwear