DescriptionFunction and form come together seamlessly in the Speed Solo with performance attributes throughout and a waterproof suede upper over top.Waterproof suede leather100% recycled non-wicking mesh upper100% recycled laces and webbingBellows tongue keeps out debrisProtective and abrasion resistant rubber heel and toe cap100% recycled breathable mesh liningRemovable PU footbed100% recycled mesh footbed coverRock plate for protectionFloatPro Foam midsole for lightweight comfort that lastsBLOOM performance foam is made of 10% algae biomass, transforming green water into clean water in the processVibram Ecostep Recycle outsole designed with 30% recycled rubber which provides added durability and improved grip on wet and dry surfacesLug: 4mmStyle #: J500357Authorized Merrell Dealer 18 Years !!!