Ronhill Trail Graphic Short Sleeve T-Shirt VapourLite Fabric - This offers lightweight and breathability in the garment with a premium quality wicking treatment. Lightweight and Breathable fabric - with a premium quality wicking treatment allowing you to stay dry. Rated UPF 40 - for outstanding protection against the sun. Flat Lock Seam - to reduce chaffing and irritation to the body Fibre content: 100% Polyester