The Castelli Prima Shorts are a premium option for riders who demand the best. These shorts are made from a combination of high-quality Lycra and elastane, providing a perfect balance of stretch and support. The multi-density Progetto X2 Air Seamless seat pad offers unparalleled comfort, while the flat-lock stitching ensures a chafe-free experience. With a sleek, race-inspired design and reflective detailing for increased visibility, the Castelli Prima Shorts are the perfect choice for serious cyclists.