Nathan VaporAir 3.0 7 Liter Hydration Pack Men's Shoes with a comfortable fit to

with a comfortable fit to prevent bouncing while running or crushing any workout

Sweat-wicking liner with soft cloud seams stays comfortably in place — with no riding up or bunching

Stopwatch fabric with an added boost from HeiQ Smarttemp

let sit for 15 minutes before use

Nathan VaporAir 3.0 7 Liter Hydration Pack Men's Shoes with a comfortable fit toThe VaporAir 3. 0 7L Vest is the next generation in the award winning VaporAir Airess series. By incorporating new materials, hardware and pocket design, these new Vapor vests are our best version yet. Notable updates include newly exposed air mesh shoulder straps, colorful bungee cords on front shoulders and back center panel for additional storage options, low profile hardware on sternum straps and new back zipper pocket that is easier to access