Fit & Design Standard fit 1/4 socks Airflow venting strategically helps keep you cool and comfortable Seamless toe Strategic zone cushioning provides cushion where you need it Y-stitched heel creates a natural cup shape for your heel to sit comfortably Sure-fit cuff fits around your leg for a more secure fit Contoured to specifically fit your left and right feet Technology Hex tec socks come with performance breathability and moisture-wicking for a drier feel during intense activity Honeycomb arch support cradles your foot for a more comfortable step Additional Details One Purchased = One Donated: For each pair of socks purchased, Bombas donates a pair to those in need Machine wash cold on gentle cycle, only non-chlorine bleach when needed, tumble dry low, do not iron, do not dry clean