95% Polyester, 5% Spandex
【EXCELLENT FABRIC】： Men’s Sauna Belt is composed of Inner and Outer materials, OUTSIDE: 95% Polyester & 5% Spandex, INSIDE: 100% Polyurethane. The inner thermogenic polymer fabric increases your core temperate to promote sweating. The outer performance compression fabric slims and shapes your figure.
【WAIST TRIMMER FOR MEN】: The Waist Trainer uses a heat-trapping polymer fabric to boost your natural body heat and stimulate sweating with physical activities. Wearing it while working out or performing daily activities creates a hot sauna-like experience, so you sweat more and lose weight.