The Jack Wolfskin VELO JAM 15 is a small backpack designed for cycling and multisports. It is made from recycled materials and features a cleverly designed back system. The innovative one-piece design has the advantage that production waste is kept to an absolute minimum. The air mesh is completely recyclable, as is the main material and lining A central ventilation channel and vents in the back padding cool your back as you move. Breathable and ergonomically shaped shoulder straps provide additional wearing comfort. Practical bike-specific details include a helmet rack, LED lighting on the front and an integrated rain cover. Mesh side pockets provide a handy place to store extra water bottles and energy bars.