Premium leather/mesh upper for durability. Extra-wide toe box and outsole with rounded edges allow for proper foot development. Alternative closure with hook and loop for easy on/off and adjustability Anti-stink lining helps reduce odors 100% recycled PET linings; 100% recycled poly sock construction. Footbed is made of 10% recycled EVA while the outsole is made of 20% recycled rubber Lightweight, non-marking rubber outsole with extra grip for superior traction. Multi-directional flex grooves in outsole for maximum flexibility