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
Nathan Hypernight Quick Start 2.0 4L