Fit and Design: Performance fit midweight winter socks 13" over-the-calf height provides full coverage to help keep snow out Women's specific fit features a narrower heel and slimmer fit Made with merino wool to provide thermoregulation, sweat management, and odor resistance Medium thickness, full-sock cushion offers superior comfort on the slopes Body-mapped mesh zones promote additional breathability Wider welt enhances all-day comfort and achieves a more secure fit Thickest Smartwool(R) ski socks Technology: Indestructawool(TM) technology features a construction method that achieves exceptional durability and comfort 4 Degree(TM) Elite Fit system offers a dialed, performance-oriented fit with a flex zone at the ankle joint to keep your socks in place Virtually Seamless(TM) toe incorporates smoothed out toe seams for ultimate in-shoe fit and comfort Additional Details: Machine wash warm, inside out Do not bleach Tumble dry low Do not iron Do not dry clean