The madison flux super light waterproof jacket lightweight and unrestrictive the flux super light waterproof softshell is a superb year round barrier from the elements constructed from a 4 way stretch and fully seam sealed fabric that boasts a huge 20 000mm waterproof and 30 000gms breathability the award winning p4dry fabric doesn39t feel tacky against the skin keeping you comfortable on the bike for longer madison flux super light waterproof jacket features adjustable hoo