Step out in an iconic look this season with the Women's Birkenstock Madrid Big Buckle Sandal size 41, women's US 10 Narrow Birko-Flo synthetic leather in a footbed sandal style with an open toe Backless slip on entry Big silver buckle strap for a secure fit Leather lining with a contoured footbed Flexible EVA outsole NWOB (box was bent in shipping) they are too big for me and I cannot return.