Castelli team sky pro mesh sleevelessthe castelli team sky pro mesh sleeveless baselayer is tried and tested by the pros castelli are now team skys kit supplier and more than this castelli are an innovation partner too they have a long history of breaking new ground with their kit designs top of the rangethis model is from the rosso corsa range which is the name castelli only gives to their very best gear models in this range are designed and created using feedback from pro cyclists now