【High Performance Fabric】Fast drying high visibility polyester Birdseye mesh fabric, ultra-cool, lightweight, soft and comfortable, 4-way stretchable, highly breathable, easy to wash, wear resistant 【Advanced Moisture Wicking】 Special mesh design effectively moves sweat away from skin and onto the outer surface of the t-shirt so you can stay cool and dry throughout the day 【UPF 50+】Long sleeve design protects you from the sun's harmful rays 【Premium Craftsmanship】 Double-stitched sleeve and hems, stylish design 【Wide Applications】 Ideal workwear for construction, municipal, government, airport, security, utility, emergency, highway, and traffic workers. Also excellent for walking, running, jogging, cycling, hiking, climbing, camping, traveling, workout, training, and all sports