Get Your FITS…and hit your stride! Finally a low-cut sock that your shoe won't eat! This ultra-lightweight low is cushioned only where you need it and absolutely won't get in your way. It delivers optimal performance and comfort while you pound the pavement! Details Full Contact Fit™ Dynamic Toe Cup - contours to the shape of your toes Heel Lock - super deep heel pocket with ample cross stretch locks the sock on your heel Full Contact Cuff - stays in place due to a tighter ankle and looser calf (proper gradience) Low Cut – Just below ankle Ultra-Lightweight design with cushioning only in heel and toe for the ultimate in performance without movement or binding. Color-coded toe seam and indicator inside welt so you won't forget your size Perfected design so your shoe will never eat this sock!