Size info True to size. B=Narrow to Medium Width (Women's A/B). Unisex: Built on a unisex shoe construction. Sizes shown are Women's shoe sizes. Packaging reflects women's & men's shoe sizes. Details & care A classic sandal gets a cozy update with a genuine shearling lining for cushioning and natural moisture-wicking comfort. Birkenstock's signature contoured footbed mimics the shape of the foot and provides excellent support. Adjustable straps with buckle closure Contoured footbed with arch support 100% wool upper/genuine shearling (Spain or New Zealand) lining/rubber sole Made in Germany