Nathan VaporAir Lite 4L Color:Marine Blue / Vapor Grey Smart Dry Extreme Air Technology

Smart Dry Extreme Air Technology adapts to weather conditions so that you stay cool and dry in warmer weather

but only when you need it

New colors and a new design introduce you to new ways to electrify your run

Weight - Weighing just 24g empty

these athletic insoles provide sensational comfort with reduced fatigue

Nathan VaporAir Lite 4L Color:Marine Blue / Vapor Grey Smart Dry Extreme Air TechnologyThe VaporAir Lite takes our Adaptive Fit feature to the next level with a new "set it and perfect it" hook & loop design. Made of lightweight and breathable mesh & stretch woven materials for maximum comfort. Equipped with a 2L bladder with quick release valve and 7 pockets, including multiple back pockets for additional items, plus bottle pockets in the front fit up to 22oz flasks. MAXIMUM COMFORT Soft, Breathable Mesh & chafe free materials.