The Ski+ Medium Over the Calf socks are durable, stretchy and highly breathable socks for technical performance on the snow.The fully cushioned design features a blend of merino wool, nylon and LYCRA® that’s anatomically sculpted with key support zones in the ankle, Achilles, and instep.The breathe zone increases ventilation, and the seamless toe reduces bulk and prevents blisters.Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics.Merino is an annually renewable fiber that naturally resists odors, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.FEATURES:Anatomically sculptured, fully cushioned ski sock.Benefits:.Through merino wool Icebreaker is able to create a sustainable product.Wool is a natural, durable and biodegradable product.Icebreaker wool is obtained following ethical criteria and is part of the ZQ program that ensures that farmers take care of the sheep and the land they inhabit.