Mammut Trion Light 28

Existing modelUltra-lightweight, waterproof mountaineering and climbing pack. Fully equipped it weighs just 2lbs 5oz, slimmed down it is only 620g (1.4lbs). Despite this, it still boasts all the features that mountaineers and climbers need and offers optimum freedom of movement and load-carrying ability due to the sophisticated Motion Butterfly frame.
Features:
Motion Butterfly aluminum frame (removeable)
2-layer, high-density EVA back padding, hip and shoulder straps laminated with stretch fabric cover
Waterproof, high-viz zip-in/out liner to keep your load ddry and to leave your gear cache in at basecamp.
Roll-top closure
Extendable and removeable seam-taped top-lid
reinforced ski-carrier
daisy chain
2 ice-tool loops
Side-compression straps cross in front to strap crampons, etc onto pack.
Hydration-system compatible
Detachable hipbelt.