Sizing One size fits most Features 1.5L (50 oz) Nathan bladder included Hydration tube guides on shoulder straps; wear tube on either left or right side Lightweight, breathable vented mesh back to keep you dry Ultra soft out...

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Sizing One size fits most Features 1.5L (50 oz) Nathan bladder included Hydration tube guides on shoulder straps; wear tube on either left or right side Lightweight, breathable vented mesh back to keep you dry Ultra soft outer lining helps reduce chafing Dual elastic sternum straps with vertical adjustability for comfortable, accurate fit Adjustable nylon cinch straps on sides for stability Front left zipper pocket for phone (fits up to iPhone 8 Plus) Front left stash pocket for quick access to gels or nutrition Large back pocket holds a light jacket and large essential items with a separate sleeve for the bladder Weight: 5.5 oz (156 g) without bladder Storage Front left zipper pocket: 3 in / 8 cm W x 7.5 in / 19 cm H Front right stash pocket: 3.5 in / 9 cm W x 5.5 in / 14 cm H Large rear main compartment: 6.5 in / 17 cm W x 14 in / 36 cm H Rear bladder sleeve: 6.5 in / 17 cm W x 14 in / 36 cm H Total volume: 4 L / 244 in³ Bladder Details 1.5L (50 oz) Nathan bladder Fills easily with wide top opening and slide seal closure Soft, high-flow bite valve Durable, kink-resistant tube Quick-release tube Fill scale helps you monitor fluid volume Reversible for easier cleaning and drying BPA-free, will not taint water taste Durable Thermoplastic Polyurethane (TPU) construction Fabric Main body: 60% nylon, 40% polyester Vented mesh design

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