Klamath Tail Rack Pack. The low-profile Klamath Tail Rack Pack keeps gear organized and easily accessible - like a tank bag for the tail end of the motorcycle. The 4-liter soft luggage case features a zipper-less nested clamshell design inspired by classic motorcycle rally racing packs. The Klamath attaches securely to the GL Tail Rack, virtually any motorcycle tail rack, many dirt bike rear fenders, and Giant Loop's Siskiyou Panniers or MoJavi Saddlebags (all sold separately). Now even faster and easier to install and remove, with two included 25" Pronghorn Straps. Features: Storage - Provides 4.0 liters of extra packable volume. Strong Materials - Rugged Bomb Shell™ vinyl-coated polyester reinforced with foam. No Zipper Design - Zipper-less clamshell design with zippered mesh pocket under the lid and exterior mesh pocket.