The Smartwool Ski Zero Cushion Over The Calf Socks give you the closest, most precise boot feel with an ultralight, no-cushion build, here in the Shale print. A Merino wool blend regulates temperature, manages moisture, and resists odor, while body-mapped mesh zones keep you cool and the over-the-calf height stays locked in place. Features: Zero Cushion - ultralight for the closest boot feel and precision Merino Wool Blend - temperature regulation, moisture management, and odor control Body-Mapped Mesh Zones - breathable and cool Over The Calf Height - stays put in your boot 4 Degree Elite Fit System - a secure, performance fit Virtually Seamless Toe - low-bulk comfort