The “Shadow” BKTHat offers 360 degrees of performance and protection. Ciele took the bucket hat coverage, added all the features that made the GOCap your favorite cap and birthed the world’s best sunny day runday hat. +40 UPF protection on the brim and body and heat dumping COOLwick™ mesh on the top and sides, because running in the sun is hot. This Ciele Athletics Cap is built using REPREVE. The world’s number one brand of recycled performance fiber.