"What Our Gearhead® Experts Are Saying:""This jersey is ideal for long days in the sun. The UPF 50+ fabric protects my skin, while the perforated front panel keeps me cool. I like the added sun coverage from the higher collar and longer sleeves, and the secure pocket makes it easy to stash valuables without worrying.""When sunny days call, the Castelli UPF Jersey answers with comfort and protection. Its UPF 50+ fabric shields us from harmful rays while the front panel's perforations enhance breathability to keep us cool on hot rides. The thoughtful design extends to its higher collar and longer sleeves, providing additional sun coverage where we need it most. With an elastic waistband to hold the jersey in place and three rear pockets for easy storage, including one zippered security pocket, this jersey balances performance and functionality for sunny, summer cycling sessions."