These LALO custom SGX socks are designed with the elite athlete in mind and feature an exclusive Elite Performance Formula. The new SGX sock line provides a compression fit, performance ribbing, enhanced ventilation and a reduced friction profile. These socks feel great, look great, and with signature Stretch-to-Fit sizing and a reinforced toe & heel, SGX socks perform like no other. These are sure to be some of the most comfortable performance socks you'll ever wear. One size fits most.