Nathan Quickstart 4L Hydration Bladder Pack Color:Vapor Blue-True Navy Reflective elements at the side

Reflective elements at the side hems and reflective Swoosh at the left leg

Unlike bulky night braces

round up to the nearest full size

width: 100%

With less fatigue in the feet and calf muscles

Nathan Quickstart 4L Hydration Bladder Pack Color:Vapor Blue-True Navy Reflective elements at the sideThis 1. 5 liter hydration bladder pack (w 4 L total storage capacity) 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