Design: OutDry™ waterproof, breathable construction Durable mesh with no sew overlays and TPU midfoot support for extra protection TPU heel clip for added stability NAVIC FIT SYSTEM™ delivers a natural midfoot lock down Heel pull loop for easy on/off In-Shoe Comfort: OrthoLite® Eco insole is compromised of 17% of total eco content delivering enhanced breathability and lightweight long term cushioning Responsive Techlite™ PLUSH provides unmatched cushioning in every step Durability & Traction: Adapt Trax™ outsole provides exceptional traction in wet and dry conditions 5mm lug height for grip on various terrains