Nathan Quickstart 4L Hydration Bladder Pack Color:Vapor Blue-True Navy 6 LEDS (4 bright white

6 LEDS (4 bright white or 2 red) solid beam and flashing modes

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

With less fatigue in the feet and calf muscles

A simple pull of a tab will sound a 120dB alarm

Unlike bulky night braces

Nathan Quickstart 4L Hydration Bladder Pack Color:Vapor Blue-True Navy 6 LEDS (4 bright whiteThis 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