The Medium AirPack fits individuals 5' to 5'5" or who measure between 15" and 17" from the top of the shoulder to the natural waist.

Large interior compartment. Oversized front pocket with organizer. Front zipper pocket. Mesh side pockets. Headphone port. Detachable cell phone/mp3 holder. 2000 cu. in.11"x17"x8" (29cm x 43cm x 20cm).

Available in green, black,  pink, bright blue and purple.