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).