Exceptional cushioning and shock absorbent fit Groove design for excellent traction and grip for running and other various workouts. For a tighter fit or with barefoot Order as usual (Shoes will loosen up after a few hours). Ultra lightweight design provides actual feelings of being barefooted for a more comfortable and natural walk. Sleek low profile design for balance and centering with internal foam padding around the heals designed to keep a foot in place. Constructed using Microfiber materials that are more durable than regularly knit materials and provides better ventilation and breathability.