Made from Ristretto Lite fabric, it's a moisture management master that helps you stay out for longer in comfort.Castelli's Ristretto Technology regulates the amount of air allowed in, so you won't get chilled. At the same time, it keeps you dry through efficient wicking of sweat to prevent buildup, while the hem is engineered to lie flat and block the influx of cold air, so that you'll stay warm on a long ride.The Ristretto Lite fabric also stretches generously, ensuring a racy, tailored fit while enabling you to move freely, and it's DWR treated to shed road spray and light rain, so you'll stay dry on the outside as well as inside.Meanwhile, your enjoyment in chilly conditions is promoted by a touch of insulation in strategic spots where the air is most likely to hit as you ride.Finished off with three lie-flat pockets with a security lip, a two-way zip for efficient on-bike venting and reflectivity on the back, this jacket, which carries Castelli's Rosso Corsa stamp of performance e