The Flight is a very 'component' based pack. Almost all parts can be added/removed as needed, thus the weight range from just over 1 lb up to 4 lbs.
For mere mortal adventures or more moderate pocket books, the Flight 4500 is a 210 Spectra Gridstop replica of the Cloud. Now every backpacker can enjoy the customizing components of the lightweight Spectra packs.
Special features: 210 Spectra Gridstop fabric replica of classic Kelty Spectra packs • Customized component system • Great pack for cold weather, light-weight mountaineering • Ultra strong Kevlar and PTFE thread