These Tokio Clogs are similar to the famous Boston that you love - but with a backstrap! Suitable for professionals with their slip resistant Supergrip sole and the classic cork footbed, they are sure to keep you comfortable all day long. The high quality leather upper has been treated to withstand all grime and any potential stains. The back-strap is made from the thick, premium leather to ensure durability while the buckle adjustability ensures a custom fit and Features Suede lined in-sole Naturally shock-absorbing cork insole Basic orthotic support EVA outsole reinforced with the Supergrip outsole Leather upper treated to withstand stains Buckle adjustable back-strap Please note - the Tokio Supergrip is not suitable for use in the kitchen or other environments containing exposure to water or chemicals.