Description 88% Polyester 12% Spandex, Hypoallergenic and chemical-free Metallic logo heatseal, comfort elastic back at nape of neck for perfect fit. 4″ wide at front Coolcore’s cooling technology is built right into the fibers, the cooling performance not only lasts for the life of the garment, it even improves with several washes. Dr. Cool uses a patented chemical-free cooling material, designed by Coolcore, to keep you cooler and more comfortable during any activity. Rather than a simple wicking technology Coolcore’s material delivers three distinct functions – wicking, moisture circulation, and regulated evaporation – to reduce the fabric’s surface temperature by up to 30%.
