DESIGN: Upper boot material: 70% post - consumer recycled, breathable mesh, 1.2mm Suede, TPU Yarn Mesh Lace-up with heel loop for easy off and on Medium to low volume heel Weight: 1 lb. 13 oz (832g) IN-SHOE COMFORT: Athletic, run inspired last Ascent last providing a tailored instep and anatomical toe box Anatomical high rebound footbed for maximum comfort and support Lightweight Enduralast EVA midsole DURABILITY AND TRACTION: Nature-Tex waterproof membrane with 50% recycled materials for NTX-conscious comfort and performance Vasque Exclusive Vibram LiteBase(TM) outsole molded in Megagrip(TM) compound delivering superior grip, traction, and durability