The fluorocarbon-free PU outer coating makes the material waterproof and gives the product a modern and contemporary aesthetic. Roll-top system to scale capacity closes with a hook and loop fastener. Zipped fast access to the main compartment. Three pockets outside for e.g. bike lock or umbrella. High quality neoprene laptop compartment (up to 15.4") with two additional mesh pockets for phone and wallet. Additional elastic band bottle holder and key strap inside. Reinforced back with padding for more comfort. Padded and adjustable shoulder straps for more comfort. Padded bottom part for stability. Embossed 'Ucon Acrobatics' label on the front side. Weight: 760 g.