adidas Real Madrid ID Backpack unisexBall? Check. Boots? Check. This Real Madrid backpack has designated space for your football must-haves, with plenty of room left for things like books and workout clothes. Slip a water bottle into the mesh pocket on the side, and you’re ready for the pitch. This product is made with recycled content as part of our ambition to end plastic waste.Volume: 27.5 L. 100% recycled polyester plain weave.Side zip pocket side mesh pocket.