High intensity spring riding deserves a versatile short designed for spring conditions when your riding goes from long winter rides in tights to higher intensity and youre riding no matter what the weather this short is made with castelli39s nano light pro fabric an unbrushed version of the nano flex fabric this fabric has a tighter weave so it keeps out more water and the 270 g weight makes this good for cool weather as well as providing great muscle support seams are minimised to he