Yarn : 47% Nylon / 21% Polyester / 18% Kevlar Para-aramid /10% Steel / 4% Spandex Technology : DuPontTM KEVLAR® brand fibers for skate blade cut resistant protection Fit : Tall sock with light compression Comfort : 360° extended protection zone from knee down calf and leg, around Achilles heel, through top of foot ; Knit in arch support and targeted mesh ventilation zones for added comfort ; Unique Y-seam construction at toe area to improve fit and eliminate bunching inside the toe box