Salomon S-lab Wings Sg Synthetic Closed Mesh covers the upper keeps debris out of the shoe Sensifit is located on the medial and lateral sides and is designed to wrap the foot with a secure fit Endofit is a sock like upper that yields unmatched comfort and fit Quicklace is made from durable Kevlar fibers and is intended for easy shoe entry and exit Lace Pocket tucks laces out of the way while running