This NikeCourt Breathe Slam is made of soft dri-fit polyester to ensure optimal comfort and internal ventilation during play. Its material has a beautiful knit pattern that lets out excess warmth, as well as eye-catching stripes for more style. The raglan sleeves allow you free movements. This t-shirt is comfortable and easy to wear on the skin and dries very fast. Stay cool on the court when your opponent turns up the heat.