Nathan VaporAir 7

The lightest-weight men’s hydration pack in the award-winning Vapor Series brings an ideal balance of weight, storage capacity, and durability to even the most weight-conscious distance runners.

Hand-wash only: Nathan Sport-Wash recommended

To clean bladder: Remove and rinse tubing and bite valve. Turn bladder inside out, rinse, and dry standing up. When ready to reassemble, do everything you did before, except backwards.

Click here for a video tutorial on bladder cleaning

Weight: 9.3 oz / 264 g (weight includes bladder)

Storage Capacity: 7 L / 427 cu in without bladder, 5 L / 305 cu in with bladder

Bladder Volume: 2 Liters

Size: XS (30” to 35" / 76.2 cm to 88.9 cm in chest)

Size: S/M (33” to 39” / 83.8 cm to 99.1 cm in chest)

Size: L/XL (37” to 44” /  94 cm / 111.8 cm in chest)