Birkenstock Men's Arizona Slide Sandals,Brown,40 EU (7-7.5 N US Men/9-9.5 N US Women) Leather / Nubuck / Suede Heel measures approximately 1 inches" Uppers are made of thick leather that's minimally processed - they're durable, breathable, and comfortable Suede footbed liner naturally wicks away moisture EVA outsole is lightweight, flexible, shock-absorbing, and repairable This style features the original Birkenstock footbed - a cork and jute support system that molds to each individual's footprint Contoured design provides firm arch support