• 65% recycled mesh upper 100% recycled laces External rear sling locks in the heel 100% recycled webbing pull tab 40% recycled mesh lining Recycled 100% Sketch Mesh Post Industrial x NXT Merrell Barefoot 2 construction is designed to keep the foot in a natural position Rock plate for protection BLOOM performance midsole foam is made of 10% algae biomass, transforming green water into clean water in the process Vibram EcoStep is 30% recycled rubber