Hydration backpack pack volume 15 litre applications running trail running suitable for men women chest straps with chest strap adjustable outside pockets front pocket water bottle pocket chest pocket special features reflective print padded back fastener velcro fastener series camelbak run weight 018 kg height 34 cm width 23 cm depth 8 cm colour purple water reservoir camelbak crux water reservoir technology camelbak hydroguard drinking val