Xinzechen Weimostar Cycling Cap Sweat Wicking Fits Under Helmets polyester BREATHABLE MATERIAL - The 100% polyester material gives your cap breathability and ventilation;keep the sweat from rolling down into your face SUN PROTECTION DESIGN - Resist UV rays and your body temperature can drop about 3 to 5 degrees centigrade THERMAL TRANSFER PRINTING TECHNOLOGY - Italian ink digital printing technology and bright colors never fade; the dye has no stimulation to your head skin ADVANCED SEWING PROCESS - Three-needle and five-line process is more suitable for intense exercise IDEAL FOR OUTDOOR SPORTS - Nice choice for: cyclists, travelers, fitness