Wonderful, 3 1/2 inch head-banz designed to stay put during your most vigorous activities! Two lightweight layers proven to provide non slip support! The performance sport lycra patterns are colorful and unique, while the interior bamboo fiber liner provides moisture wicking and comfort. An added bonus are the anti-microbial properties of the bamboo, a revolutionary fabric that naturally resists bacteria and fungus. Look good, keep dry and rock that workout!