Mammut Lithium Crest 407 backpack for sale I bought it for my wife and she used it one time on a day hike and unfortunately she did not like it Its a great backpack I would keep it but I already have too many Here are some features of it and if you have any more questions please ask me ThanksFEATURES OF THE MAMMUT LITHIUM CREST BACKPACKV-frame for good load transfer with high freedom of movementComfortable thanks to the anatomically shaped soft padded hip belt and shoulder strapsEasily adjustable back lengthHeight adjustable flap with internal and external pocketDaisy chain loop on flapMesh inner pocketDetachable bottom compartmentlarge stretch front pocket2 stretch side pocketsForward-pull hip belt adjustmentZipper pocket on hip belt2 attachments for ice ax and trekking polesGear loops on bottom eg for a matLateral compression straps can also be tensioned at front to carry gearIntegrated detachable rain coverHydration system-compatible