<!--ProdInc[170072261]/Mall:[rei_US]--> Uppers are made of waterproof suede and 100% recycled non-wicking mesh Bellows tongues keep out debris 100% recycled laces and webbing 100% recycled mesh linings 100% recycled mesh-lined polyurethane insoles are removable Rock plates offer protection FloatPro Foam midsoles provide a lightweight ride that lasts BLOOM performance foam midsoles are made of 10% algae biomass BLOOM is a plant-based, performance-driven foam made with algae biomass; algae is renewable feedstock sourced from lakes and ponds at high risk of algal bloom Rubber toes and heels add durability and protection Vibram ECOSTEP outsoles designed with 30% recycled rubber add durability and improve grip on wet and dry surfaces 4 mm lugsImported.