Castelli womens summer cycling capkeep the summer sun or rain out of your eyes with castellis womens summer cycling cap made from 100 polyester this cycling cap is ultra light breathable and comfortable subtly stylish this cycling cap will make sure you look cool and comfortable on your next coffee stop features material 100 polyester peformance microfibre polyester front panel helps wick moisture poly mesh back allows maximum airflow durable plastic inner visor classic cycling