Fit and Design: Performance fit socks No-show height offers a 'barely there' look Women's specific fit features a narrower heel and slimmer fit Made with merino wool to provide thermoregulation, sweat management, and odor resistance Ultra light cushioning offers the absolute minimum between you and your shoes Seamless opening reduced pressure points and enhances comfort Internal gripper at heel helps achieve a more secure fit Supportive arch brace Technology: Virtually Seamless(TM) toe provides ultimate in-shoe fit and comfort Shred Shield(TM) helps reduce wear from toes Additional Details: Machine wash warm, inside out Do not bleach Tumble dry low Do not iron Do not dry clean