Features - Southbound Socks Infiknit technology Classic sock that extends to the mid-calf Medium cushioning throughout the sock Blend of combed cotton Deep heel pocket Specially designed arch support Targeted cushioning Seamless toe box Technologies Infiknit Stance uses an air jet to give the nylon fiber a texture that allows it to cling to the twisted yarns. This grip greatly increases abrasion resistance, which prevents holes, tears and rips. Crew A classic sock that extends to the mid-calf. Medium cushioning Moderate padding throughout the sock for a secure fit with improved impact protection. Deep heel pocket Deep heel pockets for a comfortable fit. Arch Support Arch Support gives you secure support and stabilizes your movements. Targeted cushioning Padding for added comfort where you need it. Seamless toe box Seamless toe box to prevent friction: your feet will love it.