Description of Mammut Asana 35 Daypack Asana is the sister model to the Flight but the details are specially tailored to suit women alpinists. The butterfly frame comfortably supports a woman’s harness and belt and allows the back to rotate more freely. The Mammut Asana 35 Backpack features stable tool attachments, compression straps and pockets on the belt and lid. The Asana is the ideal durable pack for women who appreciate comfortable and durable day hikes and climbs. The Mammut Asana 35 pack is recognized by the 2007 Outside Buyer’s Guide “Killer Value” designation. Features: Hydration system compatible Two ultra stable ice axe carriers Two flap pockets - external and internal Gear loops Zip pocket Butterfly carrying system 1270g Volume: 35l Short back length Nylon 420 D Velocity upper fabric Nylon 1680 D Ballistic base fabric