Osprey Duro LT Hydration Pack 10004117

Osprey Duro LT Hydration Pack Osprey's Duro LT Hydration Pack allows you to train with all the essentials, like water, food and valuables, without adding too much extra weight. It's compatible with the 360ml Soft Flask and 500ml Soft Flask, and has numerous pockets so you can organise your kit and hit the trails or roads.  Nylon stretch mesh fabric keeps things breathable, while adjustable shoulder straps and two straps across the front stabilise the bag and make for comfortable all-day wear. There's even a whistle included in case you get into trouble. Fit range (Rib measurement) S - 75-90cm (29.5-35.4") M - 90-105cm (35.4-41.3") L - 105-120cm (41.3-47.2")