The Fila Boy's Fundamental Long Sleeve Tennis Top is a simple and stylish way for your young tennis star to keep warm while he plays! Block out the cold without getting too warm in its CoolBest poly interlock fabric. You will feel 2-4 degrees cooler than when wearing other fabrics and a mesh panel at the back makes this a great warm up top to play in. Built-in UV protection blocks your skin from harmful sun rays while moisture wicking properties keeps sweat off the skin! Fila embossed elastic neck tape for a unique detail. Silver cut out F-Box logo at back neck. Material: Polyester, mesh.