1. Upper: Microfiber leather+Elastic cloth, Durable and water resistant. 2. Outsole: EVA + Rubber,Slip and Oil Resistant, Anti-acid and alkali. 3. Insole: Deodorant Insole, Soft and comfortable,anti-bacterial, shock absorption and absorbent. 4. Lining: Mesh lining, Breathable 6. Features: Lightweight and Comfortable 7.Weight: one shoe US8 size, about 272g .