Enhanced Thermogenic Workout: Mens Sauna Vest Waist Trainer uses advanced neoprene material 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 ensures support and heat retention around the midsection. Stable & 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. Ergonomic Double Belt Support: Designed with two adjustable belts, this waist trainer provides tailored compression to sculpt your waistline, improve posture, and reduce muscle fatigue during workouts, giving you both comfort and effective shaping results. The sturdy zipper closure ensures secure fit without pinching or discomfort. Versatile Fitness Companion: Whether 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 makes it suitable for everyday use under your clothes. Practical use scenarios: For running or cardio sessions to boost core heat and sweat. During gym workouts or crosstraining to support posture and reduce fatigue. For casual wear under clothes to maintain a streamlined silhouette during daily activities.