Castelli womens perfetto long sleevecastelli has improved the finish on this womens perfetto long sleeve to keep you drier without effecting breathability castelli has laser cut the drain holes in the pockets and redone the splash flap on the back to make it lie flatter and fit better the reflective logo on the back keeps you visible featuresfully aero fully breathable and fully protected gore windstopper x lite plus fabric for lightweight total wind protection with water repellent finis