The 2 in 1 jacket the key feature of this jacket is the ability to convert from a jacket to gilet through the use of zip off sleeves this offers you amazing adaptability to suit ever changing riding conditions starting off in the chill of a morning keep the sleeves on for total protection as the day warms up but still you want some core warmth zip off the sleeves and stow in a rear pocket brilliant altura use their altura shield technology to provide you with protection from wind and wat