Castelli perfetto ros long sleeve jerseythe perfetto has been around for four generations but the latest perfetto ros long sleeve jersey is a major improvement on all previous versions'. '.strtoupper('n')ow even better in the dry and the wet, it makes winter cycling a pleasure'. '.strtoupper('b')attle the elements'. '.strtoupper('a')nd win.the perfetto has always been brilliant across a wide range of conditions but castelli haven't stopped improving it season after season'. '.strtoupper('t')his latest version is now part of the ros rain or shine family meaning even better all round performance'. '.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'. '.strtoupper('t')he perfetto ros is also the perfect weight for layering use a light base layer for milder conditions or add a thermal jersey underneath for more extreme cold'. '.strtoupper('y')ou decide.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.if there is just one item of clothing to see you through a winter of cycling then the perfetto ros long sleeve jersey could be it'. '.strtoupper('a')n investment in your comfort as you tap out those winter miles in anticipation of summer smiles.featuresmaterials 100% polyestercastelli 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 14 degrees cbuy castelli clothing from chain reaction cycles, the world's largest online bike store.