Story The comfort of Birkenstocks in a durable water-ready hiking sandal There’s one undeniable advantage to wearing the now-legendary Birkenstock sandals: they are comfortable as hell. But up until now, it was hard to take that comfort on the trail. Built with a durable synthetic upper and an extra grippy outsole, the Atacama CE perfectly supports your foot while staying securely in place so you can hike in unparalleled comfort. Features Iconic Birkenstock comfort in a trail and water-ready sandal Uppers made from skin-friendly and tear-resistant synthetic material Lightweight and flexible polyurethane footbed built with extra traction Individually adjustable straps with hook and loop closure for a secure fit Soft anatomically shaped polyurethane footbed Made in Germany Materials Upper: Birko-Flor Futura Insole: Polyurethane Footbed: Polyurethane Sizing If you are normally a half-size, we recommend sizing down to the nearest whole size Use the size chart below to help you find the perfect fit Size Conversion US Shoe Size Birkenstock Size 7 40 8 41 9 42 10 43 11 44 12 45 All measurements are in inches.