Castore Mens Flyweight Jacket The Cobalt Flyweight Jacket is a must-have for outdoor training this season. Lightweight and shower resistant, this Jacket will protect you come rain or shine. Castore have also added reflective tape to the back to improve visibility for work outs in low lighting. Plus, ergonomic panelling ensures optimum moveability. Style code: CMA50001_CITRUS Castore Mens Flyweight Jacket