Birkenstock Women's Madrid Mules Pink Product details: *Fabric type - EVA *Care instructions - Hand Wash Only *Origin - Imported *Outer material - Ethylene Vinyl Acetate (EVA) About this item: *Footbed features pronounced arch support, a deep heel cup, and a roomy toe box. The footbed conforms to the shape of your foot *EVA sole that is flexible, lightweight, durable, and shock-absorbing *Imported, Made in Germany Note: Shoe conversion charts varied in sizes. The Birkenstock chart converts 38 to a size 7. Other name brand charts converted to 7.5. I wear an 8, and they fit.