Birkenstock Unisex Madrid Birkibuc Sandal Size:46 The Birkenstock Unisex Zermatt Wool

The Birkenstock Unisex Zermatt Wool Slipper is Birkenstock's first true slipper — combining the brand's iconic cork-and-latex anatomical footbed with a wool felt upper and full shearling lining for serious cold-weather comfort

If you have a wider foot or plan to wear thicker socks

if you're between whole sizes

The buckles are adjustable for higher arches and custom fit

The lining molds to your foot with wear

Birkenstock Unisex Madrid Birkibuc Sandal Size:46 The Birkenstock Unisex Zermatt WoolThe Birkenstock Unisex Madrid Birkibuc Sandal is the brand's classic single strap sandal minimalist upper, adjustable buckle, and the iconic contoured cork and latex anatomical footbed. Birkibuc is Birkenstock's vegan upper material a textured nubuck look surface that's lightweight, water resistant, and easy to clean. The Madrid was one of the brand's earliest silhouettes and remains a low profile favorite. Fit notes: Birkenstock uses European sizing.