REV'IT! Sierra JerseyLightweight. Ventilated. Ready for action. Created using CE certified fabrics yet inspired by the archetypal MX jersey but more protective, of course the Sierra jersey is durable, robust, and perfect for warm weather adventures. As a part of our DIRT Series collection, weve made sure its body is constructed with the strong PWR Mesh fabric, allowing for optimal ventilation and abrasion resistance. PWR Stretch ripstop is used on the arms and at the