Design: Upper: suede Strap with an individually adjustable metal pin buckle with a textile feel Color-coordinated details High footbed edge In-Shoe Comfort: Original BIRKENSTOCK soft footbed; anatomically shaped Footbed lining: suede Interior and Exterior Longitudinal Arch Supports Transverse Arch Support Toe grip Heel Mould activates the calf muscles, stabilizes the back of the foot and improves gait and coordination Deep heel cup Durability & Traction: Sole: EVA