Features include a Dura leather and mesh upper. Bellows tongue. Synthetic leather toe cap and heel counter. Breathable mesh lining treated with Aegis® antimicrobial solution. M Select FRESH fights odors. Ortholite® anatomical footbed. Molded nylon arch shank. Compression-molded EVA footframe. Merrell® Air Cushion. 5mm sole lug depth. Vibram® Multi-Sport sole/TC5+ rubber.