CASTELLI Climber´s 4.0 Short Sleeve JerseyConquer the steepest climbs and hottest summer days with the CASTELLI Climber´s 4.0 Short Sleeve Jersey, the ultimate choice for cyclists who refuse to compromise on performance or comfort when the temperature soars. This men´s jersey is meticulously engineered for those who demand aerodynamic efficiency even in extreme heat, making it an essential piece of kit for any serious rider.Experience an unrivaled cooling effect thanks to its advanced, lightweight construction. This jersey is designed to feel almost weightless, allowing you to focus on your effort, not your equipment. The fabric allows for maximum airflow, actively pulling heat and moisture away from your body for rapid evaporation. This quick-drying nature ensures you stay comfortable and dry, whether you´re on a long, sun-drenched road cycling adventure or a fast-paced lunch ride. The comfortable stretch fit moves with your body, providing complete freedom of movement without any restriction.While optimized for the demands of road cycling, its exceptional breathability and comfort make it a superior choice for challenging gravel cycling and competitive cross-country MTB cycling as well. The thoughtful design includes significant UV Protection, blocking over 90% of harmful rays on the back, so you can ride with confidence under the summer sun. For added safety during early morning starts or late evening returns, integrated reflective accents enhance your visibility to others.Created for the hottest days when aerodynamics still matter.This jersey allows ample airflow, is quick to dry, and blocks more than 90% of UV rays on your back.A great choice for long summer rides or hot lunchtime rides in the middle of summer — or just add a base layer and it becomes a great three-season jersey.FEATURES:- CFD-based fabric placement and seam construction- Engineered rapid cooling, light weight, and aero efficiency- Airflow shoulder construction- Flusso 3D fabric on front- StradaPro 3D back for breathability- Elbow-length stretch sleeves with raw-cut edge- Elastic around waist to keep jersey in place and support pockets- YKK® Vislon® full zipper- Contains bluesign® certified fabrics.Technical Specifications:* Gender: Men* Sleeve Length: Short sleeve* Fit: Stretch* Material: Synthetic* Collar: Round* Primary Discipline: Road Cycling* Secondary Discipline: Gravel cycling, MTB Cycling* Safety Features: Reflective accents* Sun Protection: UV Protection