Multi-Season Flexibility As summer gives way to autumn and then winter to spring you'll want a jersey that gives warmth but excellent breathability for higher tempo rides. Alé's PRR Tirreno Jersey is just right to meet your needs. The stretchy fleece fabric traps warmth while allowing moisture to escape leaving you feeling dry and comfortable even as the pace is upped. You will also want superb fit and aero performance even in these transitional months. Alé's top line PRR Tirreno jersey is cut to fit perfectly when in a racing position with no excess fabric to waste those vital watts. Read more… Through the use of the J-Stability System™ the jersey lays perfectly flat at the lower hem further improving aerodynamics. Finishing details include anatomical cuffs that seal out the elements and sit under gloves plus a full front zip for added ventilation when needed. J-Stability System™ Elastic system made in coupled double-layer fabric, the internal part boasting a carbon fabric whilst on the outside, the fabric is micro-perforated. Used for the bottom of jerseys and jackets, this shaped elastic system effectively maintains garment position while cycling and ensures a perfect fit Who is this designed for? Within the Alè system you can identify three kinds of cyclists and therefore three ways of dressing to cover all possible needs: Here Alè offers its high end line, the CLIMA PROTECTION and PRR collection. Meant for the real cycling enthusiasts, for those that race and ride at granfondo events, training through even the worst of the winter months. An extremely technical line, highly technological and using innovative materials to offer the finest fit, feel, comfort and warmth. PRR Technology Alé’s designers studied the typical bike positions of professional athletes to achieve garments designed for pure performance - designed for riders who demand the finest fitting garments available. An obsessive attention to every minute detail of fabric and fit, comprehensive wind tunnel and real world tests ensured that the PRR collection comprises the finest performing products available to pros and amateurs. All this attention to details helps maximise the performance of professional and amateur athletes alike allowing you to push your performance to the limit.