Gramicci UPF-Shield Long Sleeve Top - Gradation YellowEvolving from surfing rash guards Gramicci's UPF Shield Long Sleeve Top blocks ultraviolet rays and quickly absorbs and disperses perspiration. Additionally it has a contact cooling function to keep the wearer cool and comfortable. Good for pulling on at the beach for protection with Gramicci emblazoned down the left arm. Gramiccis sizing can be confusing. The size label states the Asia and US size, but like most UK based stores we use the Asian