Black Diamond Elixir 45 Outdoor Backpack ReACTIV suspension with Swing Arm shoulder straps and a high-flow, Open Air back panel Large zippered access to sleeping bag Zippered front pocket with mesh/elastic internal organizer pockets, quick-cinch side pockets and hip belt pockets Retractable trekking pole/ice axe loop, sleeping pad straps, hydration compatible Also available as men's-specific Element