Ronhill Trail Long Sleeve Half Zip Running Top VapourLite fabirc - offers lightweight breathability with a premium quality wicking treatment 40 UPF Protection - UPF offers protection from harmful UVA and UVB rays from the Sun. Concealed back zip pocket to help you carry small items such as money or an mp3 player Small elasticated loop for headphones - this helps to keep the wire out of the way, so you don't catch it whilst running. Half-zip front for the best comfort when running