True laid-back appeal sublimated on Denali Performance Shirts featuring ProtectUV® for UPF 50 Mega Solar protection along with WiKZ® moisture wicking system and ZYPTRON® stain release specifically developed for active outdoor lifestyles. Proprietary construction utilizing micro fiber technology for a lightweight fabric that will block more than 97% of UVA and UVB rays whilst keeping you dry and comfortable in even the highest temperatures. Unplug with your favorite activity.