Say hello to Ospreys new & highly innovative Ultralight Stuff Pack. Within seconds, Ospreys Ultralight Stuff Pack can be stuffed into its own small sized case that is no bigger than an apple, & is made from fully waterproof fabric, giving it great practicality. For a compressible pack that is this small & lightweight, you couldnt be blamed for not expecting the straps to be of quality this high, but Osprey have made sure this pack is just as comfortable as it is practical. The straps are built using air mesh for ventilation, padding for comfort & remains strong throughout. For organisation, security & convenience, there are extra zipped pockets & one on the side for your bottle. Stuffs into its own carry case & is very light Comfortable strap harness with ventilation Waterproof fabric