NWOT- Birkenstock Zermatt slip on Grey wool

Soft and premium wool upper Breathable suede leather lining for comfort Soft foam padded and suede leather lined insole for cushioning and support Open-back construction for easy on and off Flexible, lightweight and shock-absorbing EVA sole Meet the ultimate slipper - The classic Zermatt. This version features a suede lining and an extra grippy outsole in a unique rubber cork blend for added durability and traction , making it perfect for lounging indoors or venturing out. Size 44 is 11 11.5 Reg and Size 43 is 11.5 to 12 Reg