roll-top backpack with waterproof coating by ucon acrobatics. the minimalist hajo medium lotus backpack from ucon acrobatics is perfect for any occasion. whether you're out and about on your bike, shopping or enjoying the nightlife. the roll-top closes with hook-and-loop closure and allows for convenient filling. the outer material is made of fluorocarbon-free polyurethane. on the inside, a soft fleece ensures that all your belongings are protected from scratches.the rubberised and matt upper gives the hajo a modern and contemporary aesthetic.