TYR Alliance 45L BackpackAlways be ready with the TYR Alliance 45L Backpack. A new twist on an old classic, the LATVALDS is packed with state of the art features engineered for athletes on the go. With a cutting edge space saving design, the 45L maximizes storage without the bulk. In addition to contour shaped padding for ideal ergonomics and lumbar comfort, the new design also includes multiple front and side pockets, expandable mesh pockets for separating wet and dry items,