Stay relaxed and comfortable all day long in the Smith Boot from Altra. Premium leather upper with a weather-resistant finish. Lace-up closure. Full-grain cowhide linings. BLOOM foam insole is a combination of EVA and algae biomass for less impact to the environment. Fully Cushioned Zero Drop platform. FootShape toe box allows toes to spread. EVA midsole. Combination EVA and rubber outsole. Imported. Measurements: Weight: 15 oz Shaft: 4 3 4 in Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.