4 season hiking pack from Lowe AlpineAdaptiveFit - adjustable back length and AdaptiveFit hipbelt ensures the perfect fit and hence most comfortable carry.AirZone breathable back system - maximises airflow to keep you fresh during treks.Expandable volume - giving versatile storage options.Stretch hipbelt pockets - for easy access to essentials.Hydration compatible - access beneath lid of pack. Water bladder is stored in an internal pocket.Internal key clip - for safe storage.Internal lid zipped pocket for valuables - SOS instructions printed for emergency situations.Phone compatible harness pocket - made from 3-way stretch material. (Note you may need to protect your phone/GPS will a protective cover)Rain cover - allows pack and contents to remain dry in heavy rain.Easy-access side entry - maximum access whilst expandable volume giving versatile storage options ensuring the contact areas of the back are not dirtied by placing on the ground.Large side stretch mesh pockets - for extra storage.Versatile front elastic stowage cradle - for easy storage of additional items. i.e a wet shell jacket.Unique, patented walking pole \"Tip Gripper\" - poles can be fixed to your pack whether you use them with a rubber end-stopper or just a point.Easy-access zipped front pocket - accommodates standard OS maps,Volume: 33lt+7lt extension = 40ltWeight: 1.47kgLoad Zone: 10-15kgFabric: N6.6 210D Mini Rip