Synthetic upper. Textile lining. Comfort synthetic insole. Slip-on style. Toe-post closure. Woven straps. Synthetic outsole. Imported. Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size. Measurements: Weight: 4 oz CLASSIC FLIP FLOPS: Reef's Cora flip flops are handcrafted to be with you no matter where your next adventure takes you. The classic design and versatility means you can seamlessly go from brunch to the beach. NO BREAK-IN PERIOD: Packed with the extra comfort of Reef’s anatomical arch support, the Reef Cora sandal will keep your feet comfortable no matter where they take you. SUPERIOR STRAPS: PVC free synthetic straps using a 30% recycled antique metal hardware logo and 100% recycled PET webbing lining and toe post. AMAZING TRACTION: Lightweight and durable rubber sponge outsole. BEACH FREELY: REEF encourages people around the world to embrace the spirit of the beach while living by one simple rule: Beach Freely. Our products are designed to make you feel comfortable in any environment, whether you're at the beach or not. Size 9