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 patent-pending "lock dot 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-dye100% skin-safe tested silicone dots on inside cuff Patent-pending "lock dot 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" issueSilicone bottom grips help prevent slips and falls on hardwood floors/slippery surfacesBottom compression patch at ball of footMoisture wicking & temperature regulatingNaturally antibacterialSeamless toeStandard 100 by OEX-TEX