Merrell Men's Speed Strike Trail Running Shoes size 9.5 new no box Mesh upper with synthetic overlay Molded nylon arch shank Integrated EVA foam insole Air Cushion® heel for shock impact Lightweight EVA foam midsole for stability and underfoot cushioning Sticky rubber outsole for durable traction Upper: Textile with synthetic overlays Lining: Textile Outsole: Synthetic Smoke free home.