Castelli perfetto ros convertible jacketthanks to its removable sleeves, the castelli perfetto ros convertible jacket gives you brilliant versatility for a winter of riding and taking on any weather conditions.long or short sleeves'? '.strtoupper('w')hy not both!can't decide whether it's a day for short sleeves or long'? '.strtoupper('t')here's no need to choose with the perfetto ros convertible jacket'. '.strtoupper('w')ith the sleeves on it gives you the brilliant warmth, windproof and water resistant protection of the long sleeve perfetto ros jersey'. '.strtoupper('h')owever, zip the sleeves off and you now have a gabba, ideally suited to milder cycling conditions'. '.strtoupper('t')wo new gore tex infiniumtrade fabrics, exclusive to castelli, feature here, the front being windproof and lightly fleeced to enhance warmth while the rear is lighter and stretchier to ensure perfect temperature regulation'. '.strtoupper('n')ot just that, the infiniumtrade fabrics are also highly water resistant so cold, sleety, damp conditions won't penetrate.an eye for detailwith improvements to the fabrics, castelli then turned their attention to the other all important details on the jersey'. '.strtoupper('g')etting at your pockets with winter gloves on is a frustrating experience and so castelli have given the perfetto ros two larger rear pockets, making accessibility, even with gloves on, far easier'. '.strtoupper('i')nside, a pump sleeve keeps it secure, a dropped tail below the pockets enhances road spray protection and a large reflective panel boost your profile when daylight fades to darkness'. '.strtoupper('l')astly, side vents are useful for increased airflow when you're putting in maximum effort or winding your way up a long climb.for the most adaptable bit of winter cycling kit, you can't go wrong with the perfetto ros convertible jacket'. '.strtoupper('a')ll the outstanding winter protection of the perfetto with the sleeves on and then it becomes a gabba when you zip the sleeves off'. '.strtoupper('b')rilliant'. '.strtoupper('f')eaturesmaterials 100% polyesterzips just above elbows to allow use as long or short sleeve jacketcastelli exclusive gore tex infiniumtrade 205 warm brushed water resistant fabric on front facing surfacesgore tex infiniumtrade 203 stretch on rear facing surfaces for extra stretch and breathabilitytaped shoulder seams for extra rain protectionykkreg vislonreg zipper for easy sliding, covered for extra wind and rain protectionzippered ventilation opening on side of chest2 rear pockets with pump sleeve are easily accessed with gloved handsgabba style dropped tail with large black reflective panelsuggested temperature range 4 to 16 degrees cbuy castelli clothing from chain reaction cycles, the world's largest online bike store.