Osprey Resource Float Courier Bag 86% recycled materials compostition Wider format ergonomic easy access design Breathable stretch fit shoulder strap with spacer mesh covered EVA shoulder pad, concealed organizer and zippered slash pocket, mesh bottle pocket Convenient cell phone/MP3 pocket on shoulder strap, music wire routers on strap spacer mesh backpanel with open slash pocket for papers and magazines, removable tuckaway waiststrap