From Merrell, the Women's Speed Solo MXD Mid Waterproof Perforated Hiking Booties feature: Waterproof full grain leather and suede upper Waterproof membrane seals out water and lets moisture escape Bellows tongue keeps out debris Heel loop for ease of entry as well as carabiner compatibility Metal hook with traditional lace closure 100% recycled laces and webbing 100% recycled breathable mesh lining Removable PU footbed 100% recycled mesh footbed cover Rock plate for protection FloatPro™ Foam midsole for lightweight comfort that lasts BLOOM® performance foam is made of algae biomass, transforming green water into clean water in the process 10% recycled EVA flecks in the midsole Vibram Ecostep Recycle outsole designed with 30% recycled rubber which provides added durability and improved grip on wet and dry surfaces Imported.