The mavic crossmax ultimate is a top all season mtb jacket seriously lightweight at just 140g yet tough enough to deal with scuffs stray branches showers and anything else the mountain serves up inside itrsquos a fully protective technical jacket featuring scuff guard and trail tech st fabrics to increase abrasion resistance while dura rain sl fabric keeps you dry in a downpour then when things heat up the sleeves can be quickly unzipped with one hand thanks to the quickburstreg