Discover our hi-vis t-shirts, perfect for when you require comfort and freedom as well as visibility. Made with breathable fabric, our hi-vis t-shirts are very popular among our customers. Some of our hi-vis t-shirts are made from a high cotton count, making them soft and luxurious on the skin as well as being breathable. Our hi-vis t-shirts come in yellow and orange, with sizes ranging from XS to a size 5XL, thus providing a wide range of options. At Site King we always promise high quality and value for money. All our hi-vis t-shirts at Site King conform to UK regulations and standards.