100% polyester yarn dyed jersey knit with a unique space dye effect (3.98 oz/yd2) TopShield Technology with Moisture Wicking and Anti-Microbial fabric properties Ultraviolet Protection Factor of 20+ (blocking up to 95% of UV radiation) Raglan sleeve styling for increased range of motion Double needle coverstitch on raglan seams for added durability Quarter zip pullover with wind flap to help prevent chafing and for added comfort