Many have tried to create the perfect low-rise ankle sock that won't slip under your heel, all to no avail. None have innovated like Squid Socks. Our adult ankle sock not only has silicone dots on the inside, but also on the OUTSIDE of the heel. Our "dot lock technology" prevents your socks from slipping, sliding, scrunching and most importantly, keeps them from rolling under your heel. Features: 1 pair black and gray space-dye 100% silicone dots on inside cuff "Dot lock technology" offers silicone dots on the OUTSIDE of the heel, working with the inside silicone to keep your sock in place and preventing the dreaded "rolling under your heel" issue Strong arch support Cushioned toe and heel Silicone bottom grips help prevent slips and falls on hardwood floors/slippery surfaces Bottom compression patch at ball of foot Blister tab Moisture wicking & temperature regulating properties Hypoallergenic properties Seamless toe Standard 100 by OEX-TEX