The packable race face nano jacket is a lightweight pull over style jacket with a hood that is helment compatible and will easily roll into the collar to be stowed it is also fully detachable made from storm ultra lite fabric treated with a dwr finish it is hard wearing and water and wind resistant the nano jacket features perforated underarm panels and a mesh lined air vent in the back seam to keep you from overheating when youre out on the trails race face have used a hook and