Birkenstock Madrid (Color: Dress Blue / Red) Women's Flip Flip Sandals with Adjustable Straps 100% Authentic ✅ BRAND NEW IN BOX 📦 Style: 0339263 ❗️Fit: Narrow Fit Materials: Insole: Leather Footbed: Natural Cork Upper: Birko-Flor Patent Leather Sole: EVA Not Soft Footbed ❌ ❗️Please follow the size chart on the my pictures. Poshmark's EUR size chart doesn't match that of official Birkenstock measurements❗️