Worn once Features QuiteLight® construction principles throughout the shoes center on superior comfort and materials with exceptional strength-to-weight ratios Perforated, mesh-covered EVA uppers with cross vents are highly breathable; nylon webbing and rubber toe bumpers provide structure and protection Lined, stretch thermoplastic urethane heel structures cradle heels for a secure fit; heel and toe loops aid entry Single-pull QuiteLight™ lace system uses light but strong webbing to disperse load and alleviate pressure often found with conventional laces Webbing laces secure with an Ahnumatic positive-lock cam buckle for unique single-handed adjustability Tech-Dry linings are made of a recycled polyester and charred bamboo blend to offer natural antimicrobial and moisture-wicking properties Lightweight, compression-molded EVA midsoles provide shock absorption and cushioning comfort Outsole-integrated thermoplastic urethane shanks and arch supports offer midfoot stability and torsional rigidity Nonmarking rubber outsoles with cross-directional lug pattern offer optimal traction in the forefeet and braking in the rear Self-cleaning 2.5mm outsole lugs provide a balanced ratio of surface contact to tread depth for both bite and nonslip traction