Hanes 4 oz. Cool Dri T-Shirt 100% Polyester 4 oz., 100% polyester interlock jersey t-shirt. 50+ UPF rating, excellent UV protection. Moisture wicking fabric with quick drying time. Tag-free neck label. 4 oz., 100% polyester interlock jersey t-shirt, 50+ UPF rating, excellent UV protection, Moisture wicking fabric with quick drying time, Tag-free neck label, Double-needle coverseam stitched neck, Double-needle stitched sleeve and bottom hems, Suitable for sublimation.