Key Features:SockGuy\'s SGX socks are designed with the elite athlete in mind and feature our exclusive elite performance formula. ,The SGX sock line provides a compression fit, performance ribbing, enhanced ventilation and a reduced friction profile. ,These socks feel great, look great, and with SockGuy\'s signature stretch-to-fit sizing and reinforced toe & heel, SGX socks perform like no other. ,Guaranteed to be the most comfortable performance socks you\'ll ever wear.,Cuff Height : 6\",Size: S/M (4.5-8.5) L/XL (8.5-12.5).