Dura leather and mesh upper. Bellows tongue for increased security and debris protection. Synthetic leather toe cap and heel counter. Breathable mesh lining treated with Aegis® Antimicrobial solution, will keep your feet dry. Ortholite® anatomical footbed, provides cushioning and support. Molded nylon arch shank. Compression molded EVA foot frame provides cushioning. Merrell® Air Cushion in the heel is shock absorbent, and improves stability. 5mm Sole lug depth. Vibram® Multi-Sport Sole, combined with TC5+ Rubber, is durable, shock absorbent, and slip resistant.