This sporty backpack is perfect for fast paced activities when the last thing you need is to be weighed down despite its modest size the velocity 12l daysack from jack wolfskin provides a good amount of storage space with a main compartment that features an inside pocket plus an organiser pocket and two mesh pouches the flexible full contact acs tight suspension system ensures a close fit to the back for a wider range of movement an integrated raincover helps you keep your gear dry and ref