Nike Swim Boy's Heather Half Sleeve Hydroguard is designed with comfortable sun safety in mind. The UPF 40+ UV protective fabric keeps his upper body safely covered. Internal neck tape helps to prevent chafing while he swims or plays and the soft Dri-Fit fabric wicks moisture away for quick-drying comfort. Pullover Round neck Elbow set-in sleeves Imported Material & Care 100%Polyester Machine washable