Birkenstock Unisex Arizona Soft Footbed Sandal Size:40 Size down half from your

Size down half from your usual U

take the half size down

Earth designs around the philosophy of negative-heel construction and Pilates-inspired alignment — each step engages your core and posture muscles slightly more than a flat shoe

Premium white leather upper

The Zermatt fits slightly snugger than the open-back Boston due to the closed-toe construction

Birkenstock Unisex Arizona Soft Footbed Sandal Size:40 Size down half from yourThe Birkenstock Arizona Soft Footbed Sandal in White is the brand's iconic two strap sandal in a clean white natural leather upper, built on Birkenstock's Soft Footbed (a more cushioned version of the cork and latex anatomical footbed) ideal for sensitive feet or first time Birkenstock wearers who want a less rigid first impression. Fit notes: Birkenstock uses European sizing. EU 36 fits like a U. S. women's 55. 5; EU 40 like a U. S. men's 77. 5. Both