Chelsea 2020-21 Home Vapor Match Shirt Get the ultimate on-pitch performance in unmatched Blues style with the Chelsea 2020-21 Home Vapor Match Shirt. The jersey is the same design worn by the pros on the field. Nike VaporKnit technology wicks sweat and dries exceptionally fast for peak performance. Engineered for SpeedNike VaporKnit technology seamlessly combines lightweight cooling, reduced cling and precision fit to help keep you fastest from start to finish. Breezy FeelLightweight mesh is strategically placed in high-heat areas for added breathability