Features of the Mammut Nirvana 30 Pack Recycled main material Soft-lined goggle compartment Integrated helmet carrier Diagonal and A-Ski carrying systems SnowBoard carrier Front pocket for avalanche safety equipment Hydration system-compatible Detachable, padded hip belt Zipper pocket on hip belt Internal zipper pocket with key clip Attachments for ice tool and walking sticks SOS label with emergency instructions Aluminum V-frame for good load transfer to the hips while maintaining freedom of movement of the Upper body High-Density, 2-layer EVA back padding; hip belt and shoulder straps with stretch fabric cover 30 Liter volume