Nathan VaporKrar 2.0 Hydration Pack - 4 Liter, Black/Mosstone,

NATHAN collaborated with, champion ultra-runner and renowned minimalist, Rob Krar for the updated design of this popular, lightweight and durable race vest, featuring Soft Flasks.

Equipped with two 20oz insulated soft flasks with extended tubes to easily sip fluids without removing flasks from the front pockets
Apparel-like fit with a lightweight, breathable structure
Large front stash pockets for quick access to on-the go nutrition and essentials
Zippered water-resistant chest pocket fits most smartphones
Compatible with 1.5 liter bladder (not included)
Zippered water-resistant pocket on back, for securing key essentials
Back kangaroo pocket for stashing flasks, a light jacket, and other essentials
Two additional back pockets for extra storage
Shoulder pill pocket and safety whistle
Reflective hits for 360-degree visibility