The Castelli Rosso Corsa 2 Cap is ready to keep you cool and dry for all your wildest rides. The Rosso Corsa label is only applied to the highest-level products Castelli makes. Every thread and fiber every curve and contour is obsessed about. Rosso Corsa represents a categorical breakthrough in cycling innovation and the meticulous craftsmanship you expect from Castelli’s performance-enhancing apparel.