Always have a plan bas the name suggests it39s always good to have a plan b when you go out riding you just never know what the weather will throw at you weighing in at an incredible 79 grams the plan b packs up within it39s own pocket so it can go wherever you go the 2 ply membrane fabric provides excellent water resistance and wind blocking whilst the rear vents aid breathability with it39s unique soft feel and four way stretch the plan b keeps wind rustling to a minimum and ens