[Sandals and Slippers Series]The Birkenstock flip flops, a century old well-known German shoe brand originating from Guangdong, are made of soft cowhide suede material with a cushioned cork rubber midsole. Their unique shoe bed design fits the foot comfortably, and the Birkenstock Milano neutral cork sole is a classic style that is very easy to match. The sole is sturdy and wear-resistant, suitable for summer. Official product number: 10095272229 Size: 35 36 37 38 39 40 41 45 43 44 45 (slightly larger by one size)