Ergonomically designed backpack, ecologically made from 20 PET bottles. It features 2 main compartments and 1 organizer pocket. The backpack can be adjusted for any body size from 1.40 m to 1.80 m. It has an aluminum profile frame and a pull-forward hip belt that shifts the weight to the stable pelvis. Breathable back padding. Straps on the front store everything you need. With Satch, you are perfectly organized and ready for everything that school and leisure have to offer.