New with tags - this is Rapha’s essential lightweight cycling jersey made for comfort on hot days, the men's Rapha Core Lightweight jersey offers excellent ventilation in front and UPF 40 sun protection in back. From manufacturer: Lightweight mesh 85 g/m2 front panel and sleeves provide cooling airflow for excellent temperature regulation Denser knit 105 g/m2 back panel offers UPF 40 sun protection where you need it most Full-length, easy-glide zipper makes it easy to adjust ventilation while riding Supersoft collar and cuffs add comfort 3 gusseted back pockets expand to carry your essentials Subtle logos and a contrast armband for a signature Rapha look Wide elastic gripper at hem keeps jersey in place