Radians ST12 Class 2 Hi-Viz Short Sleeve Polo with Max-Dri Moisture Wicking Mesh. This safety Polo is made with an arid Birdseye Mesh allowing for maximum breathability, without compromising durability. The stripes are adhered by heat transfer rather than sewn on, making the safety Polo extremely comfortable. The wicking properties improve hot weather comfort making it feel much cooler. The front pocket does not include reflective material to allow for corporate imprints.