Whether you are in the heat of competition or the heat of summer, this is the jersey you want to be wearing. Micron is the latest in high tech cycling fabric technology. Ideal for hot weather and indoor cycling, Micron is made with tiny 100% polyester microfiber yarns in a unique honeycomb knit. The result is a performance fabric that maintains airflow to keep you cool while quickly wicking moisture to its rapid dry surface so you stay comfortable and dry. Micron fabric boasts a UPF rating of 38.3 meaning it blocks over 97% of the sun's UV radiation. Our cycling specific cut has been tested and refined by the world’s top riders resulting in a fit that is second to none. The long zipper allows for temperature control on the hottest climbs. Three standard back pockets.