Instant Classic Updated Now in its fifth generation, the Prologo Jersey has never been more true to the original concept behind it: designed to be your favourite jersey. Castelli have kept the outstanding moisture management of the Stratus+ two-layer fabric and the relaxed Prologo fit, but you benefit from a few updated details, from the collar construction that protects your neck from the zipper to the new embossed chest with the Castelli shadow logo. The design feels instantly classic, while the performance is distinctly modern. Read more… But the excellent fabric isn't the end of the story. Mesh panels in the side and shoulders keep you cool when the ride heats up and ensures the perfect fit. In the back meanwhile you'll find a trio of deep pockets to keep your essentials within easy reach, and a fourth zippered pocket takes care of your keys and features reflective tape to keep your visibility high.