Castelli perfetto ros vest light giletneed lightweight core protection from cold winds and light rain when cycling'? '.strtoupper('l')ook no further than castelli's newly improved perfetto ros vest light gilet now lighter, more breathable and more water resistant than ever.if you're training and racing in weather which veers from sunny to damp and back again, then the perfetto ros vest light gilet is just what you need to keep you comfortable on the bike'. '.strtoupper('e')xclusive gore tex infiniumtrade 203 stretch lightweight fabric is used to the front of the vest and this fends off chilly winds, persistent drizzle and sudden showers leaving you comfortable as you face into the weather'. '.strtoupper('m')eanwhile, the back of the perfetto ros is made with castelli's extremely breathable nano flex light woven fabric and this ensures that the sweat you generate doesn't hang around to cause discomfort and prevents cold clamminess building as you put the power down'. '.strtoupper('p')oorly thought out details can spoil even the best gilet but fear not, castelli have not let you down in this respect'. '.strtoupper('a') ykkreg vislonreg zipper slides smoothly to make boosting ventilation quick and easy while the gabba style dropped tail keeps road spray off your behind'. '.strtoupper('t')he pockets have been improved too, there are now two large pockets to the back, rather than the traditional three, making access easy, even with thicker gloves on'. '.strtoupper('l')ast but not least, a large reflective rear panel grabs the attention when the sun sinks below the horizon.featuresmaterials 100% polyestergore tex infiniumtrade 203 stretch lightweight fabric on frontnano flex light woven on back for breathable stretch with good water protectionykkreg vislonreg zipper for easy ventilation adjustment on the fly2 rear pockets with pump sleevegabba style dropped tail with reflective panelsuggested temperature range 14 to 20 degrees cbuy castelli clothing from chain reaction cycles, the world's largest online bike store.