A new twist on an old classic the alliance 45l backpack 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 spring hooks for wet suits a mesh water bottle pocket adjustable straps and