Adjustable shoulder/chest straps. Will fit chest sizes from teenagers/kids with 27u0026#34; up to adults (men and women) with 50u0026#34; chest size. Chest straps make sure it doesnu0026#39;t bounce

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Rugged 1000 Denier Nylon heavy-duty construction, resistant to tears and abrasion; Hands-free hydration hose with bite valve, gently biting the valve opens up the flow of water

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Replaceble 2.5L bladder: Includes a 2.5 Liter BPA free bladder which keeps you hydrated. It also keeps the water fairly cool. And include a wide screw cap so you can add ice cubes for an even cooler drink. Enough to get you through a day of hiking, cycling, running or biking

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Sleek and compact design: 16.9u0026#34; x 8.3u0026#34; x 2.8u0026#34; in size and 1.3 lb in weight; One front mesh pockets for carry your wallet, keys, phone, towel, smalltool, etc.

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Perfect for hiking, running, biking,camping,outdoor activities

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