The FloatPro Foam midsole is super lightweight offering maximum cushioning and making the shoe ideal for fast hiking too.The shoes contain many sustainable features including 100% recycled laces, 100% recycled mesh lining, an EVA foam insole with 50% recycled top sheet and 30% recycled rubber on the Vibram Ecostep sole. They are also vegan friendly, meaning they use 0% animal products.· GORE-TEX waterproof membrane, exceptional breathability and waterproof performance· Mesh and TPU upper· 100% recycled laces· Padded collar· Protective toe cap· 100% recycled mesh lining· EVA foam insole with 50% recycled top sheet· Removable PU foam insole· Rock plate for protection· FloatPro Foam midsole for a lightweight ride that lasts· New Vibram Traction Lug outsole design for added traction and stability· Vibram Ecostep sole is 30% recycled rubber· Stack Height: 31-21mm· Drop: 10mm· Lug: 4mm· Vegan-Friendly· 1lbs-6oz, 600g More info