The LIV t-shirt is made of Quick Dry Knit, a light mesh fabric with a Polygiene® finish. Polygiene permanent odor control stops growth of odor-causing bacteria on fabrics, so you can wear more and wash less. The LIV t-shirt also has a UPF rating 30+. With its kimono sleeves, be both fashionable and ready for the adventure ahead! These features make this shirt versatile, great for travel and various outdoor activities.