The Smartwool® Intraknit Snowboard Targeted Cushion Over The Calf Socks blends ankle cushioning, zonal calf mesh, and a full cushion cuff to reduce friction and enhance overall boot comfort. Anatomical extended welt provides additional coverage and comfort. Graduated cushioning and cuff shape uniquely knit to provide a breathable performance fit without sacrificing cushion. Navicular bone and ankle area 'butterfly wrap' cushioning to reduce hot spots and heel lift.