Stay protected from the sun in this comfy T-shirt Shell: 96% Polyester (Recycled), 4% Elastane Our Juniors’ Port T-Shirt is the perfect everyday sun T-shirt, made with S.Café® fabric technology. This tech infuses the T-shirt’s fabric with used coffee grounds, creating long-lasting UPF 40 sun protection. The raglan sleeves and 4-way stretch allow for freedom of movement. Plus, the shirt’s artwork features our signature twin sail image.