amp3 back pack black Size:One Size plus two hidden inner pockets

plus two hidden inner pockets for convenient storage

With a waterproof membrane

and more flexible while still offering strong support

the Bionic Rib Support incorporates adjustable shoulder straps

MX and off-road sportswear use on race day and between rides

amp3 back pack black Size:One Size plus two hidden inner pocketsThe Alpinestars Motion Pack 3 (AMP3) is the perfect technical backpack designed for functionality and for carrying gear, both on and off the bike. The AMP3 Backpack features an overall capacity of 17 liters and is constructed from a heavy duty tech fabric with structured, padded walls and lower body reinforcements to help maintain the bags shape, as well as full, long zippered openings for easy and wide access.