All new Lorenzo. A local innovation of Exclusive LitheActive Sandals designed and manufactured by Crabus Indonesia. Material spesification: - Strap: Premium Polyvinyl. Wide , strong, elastic, and waterproof material. Perfect material to support all of your indoor and outdoor activity - 100% HI Grade Thermo Plastic Rubber Surpassed the 75000 EU flexy test. To ensure your all day comfort and flexible footwork -Anatomic design Extra comfort boost on your midfeet to reduce the fatigue from walking the long miles -FlexyBoost feature Measure your feet for a perfect fit sandal Available size : Size Chart 39: 25cm 40: 26cm 41: 26.5cm 42: 27.5cm 43: 28cm