Castelli Senza Jacket Large Black/Anthracite/RedCastelli Senza Jacket is the slimmest, most fitted cold weather jacket in the Castelli line. There are very few full winter jackets that offer the cold-weather protection and fit of the Senza. This is the one-in-a-million ultra high perfromance jacket for any cyclist who prefers simultaneous fit and function.8055688000820