Birkenstock Triple Band Sandals | Women’s 40 Florida High Arch with 3 adjustable bands. Slip on style Good preowned condition; minimal wear on tread Birkenstock Sizing: 40 L9 M7 (9- 9.5 Women’s) Please reference our Size and Width conversion chart in the listing. From the retailer: Birkenstock products are offered in European sizes. You can determine your Birkenstock size by adding 31 to your U.S. women’s size and 33 to your U.S. men’s size. Bundle any 2 items from my store to save 15%! Reasonable offers considered.