Hypernight Reflectivity provides 360 degrees of visibility on this popular hydration pack

1.5 L hydration bladder pack provides a low-profile, minimalist way to comfortably wear your water and bring along other essential items on your journey.

1.5 L Hydration Bladder Included

Front Storage for nutrition and phone - fits most large-format smartphones

Main back zippered pocket for extra layers and other running essentials

Adjustable front and side straps for dialing in a perfect fit

Soft perimeter binding prevents chafing

Specs:

Weight without Bladder: 5.5 oz/156 g

Weight with Bladder: 9.5 oz/269 g

Storage Capacity: 244 cu in/4 L