Adidas Tennis II Tie Headband The adidas Tennis II Hairband is the perfect sporty accessory to wear when youre sweating on the court. You can use it to absorb sweat and keep your hair back while you play. Its constructed with performance mesh to keep you cool and dry.Features an embroidered 3-Stripe adidas logo.NCAA compliant. Technology ClimaCool®: ClimaCool® isn't just another moisture-wicking fabric. It is an integrated system of fabric technologies that work together to regulate the athlete's body temperature far better than any single fabric technology can. ClimaCool® apparel actively conducts heat and sweat away from the body through a combination of heat and moisture-dissipating materials, ventilation channels and three-dimensional fabrics that allow air to circulate close to the skin.