The fabric technology for the Arista Pro Wicking Shirts comes from garments made for triathletes. It is designed to regulate body temperature by providing superior moisture transport from the skin to the outer layer of the fabric. The result is that it feels cool on your body. In addition, it is antibacterial, has an SPF rating of 50+ and 4-way stretch for freedom of movement. Arista Pro Wicking shirts are available in quarter zip and button-down styles and a matching reversible choker is also available.