These sandals from Birkenstock are super lightweight due to its all over EVA construction. Adjustable strap with brand detailing, toe post and comfortable arched midsole. Perfect for all water activities! The modern Gizeh thong sandal from Birkenstock are a classic sandal with a unique arch support and a refined, minimalist style. The waterproof and washable footbed is contoured to the shape of a healthy foot, aiding correct posture and gait.,Upper Material: EVA,Lining Material: EVA,Sole: EVA,Fastening type: Adjustable Buckle