Enhanced Thermogenic Workout: Mens Sauna Vest Waist Trainer uses advanced neoprene to boost thermogenic activity, increasing sweat output during gym sessions or any exercise, helping to accelerate calorie burn and fat loss naturally. Double belt compression provides support and heat retention around the midsection. Stable and Easy Maintenance: Constructed with quality materials, this Mens Sweat Vest withstands rigorous exercise and regular washing without losing shape or effectiveness, making it a reliable companion for consistent fitness progress. Versatile Fitness Companion: For running, gym workouts, crosstraining, or casual wear, this sauna vest doubles as a body shaper and waist trainer, boosting core heat for maximum sweat output and muscle toning. Its sleek, modern design is suitable for everyday use under your clothes. Breathable and Lightweight Design: Made from breathable neoprene fabric, this sweat vest is lightweight, allowing flexible movement while maintaining moisturewicking performance. It prevents overheating by promoting air circulation, making it ideal for prolonged training.