Nike Swim Hydroguard Essential Little Boy's Long Sleeve Top, is a standard fit that has Nike Dri-FIT technology that moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. This product provides UVA and UVB protection (UPF40+) from the sun only in the areas covered by the garment. To protect exposed areas, the use of good quality sunscreen is recommended. Heat transfer swoosh in the middle of the chest