The Chinook, named for the Alberta's famed warm winter winds, is designed for bike commuting in urban settings; riding to work/school, taking your laptop to the coffee shop, gym, library, grocery shopping etc.
Double layer bottom and rear dorsal panel; both external and liner fabrics are waterproof.
Challenge Sailcloth EPX 400 or EPLX 600. Basically, very similar fabrics with the 600 being slightly more stiffer/beefy...offering 2 fabric types simply to get more colour options. See Fabrics for more info.
Grey colour has blue highlight (dorsal flap + zip garage) with black shoulder straps.
Red has a grey highlight colour + black shoulder straps.
Rusty orange has grey highlight and black shoulder straps
Padded Laptop sleeve
Side zip access with massive #10 guage YKK zipper
Side bottle/coffee cup pocket
Rear/dorsal stuff pocket + zipper pocket (covered by rear flap)
Flap straps act as bottom compression straps as well as securing the side bottle + above mentioned 2 pockets hidden under it.
External top zipper pocket for quick access to phone/wallet etc
Key clip inside top pocket.
Simple/durable rolltop with 1.5 webbing closure
Webbing 'tails' are all sewn to keeper buckles to prevent flapping away when riding.
Webbing daisy chain for bike lock storage, flashing light attachment etc.
Thin depth to ensure a comfortable ergonomic carrying while riding.
