Stable 26 High Performance Hockey Above Socks 80% Nylon/20% Spandex Imported Upper cuff with elastic holding rib keeps footgear comfortably in place Medial and lateral silicone pads come in 2mm and 4mm thicknesses to customize fit Enhanced heel cap withstands the high forces in the heel that accompany normal rear foot movement Elastic arch support keeps the footgear in place and supports the arch Enhanced toe cap withstands the high forces placed on this area