UPPER/LINING - Strobel construction offers flexibility and comfort. Full grain leather and mesh upper. Protective rubber rand and toe cap. Bellows tongue keeps debris out. Breathable mesh lining treated with Aegis antimicrobial solution resists odour. Ortholite anatomical footbed. MIDSOLE/OUTSOLE - Molded nylon arch shank. Merrell Air Cushion in the heel absorbs shock and adds stability with an EVA Midsole for cushioning. Merrell In-Board Compression Moulded EVA Footframe provides cushioning and stability. 4mm sole lug depth. Vibram Axis 2.0 Sole / TC5+ Rubber.