The Castelli Men's Climbers 3.0 SL2 Jersey is made for professional riders who need constant coolness and maximum aerodynamics for high-performance runs. This quick-drying jersey uses engineered rapid cooling, lightweight, aerodynamic stretch fabric that's perfect for wearing on a hot day. It features airflow shoulder construction, Flusso 3D fabric on the sleeves, and breathable StradaPro 3D fabric on the back. The sleeves of this jersey are elbow-length and include raw-cut edges for a seamless fit. On the back, a drop tail is used to offer perfect placement for three pockets and sustain a good fit at the waist. Fabric on the back also utilizes sun protection properties which will block 90% of harmful UV rays. The Castelli Men's Climbers 3.0 SL2 Jersey will be your go-to choice for all your intense bike runs this summer season!