Best Waist Trainer Vest A full vest neoprene waist trainer for men with an outer adjustable belt. It targets the core abdominal area and increases thermogenic energy to flatten the abdomen, helping you sweat more during workouts and support weight loss. Comfortable and simple to wear Designed for easy on and off with a zip closure and two abdominal control straps. The adjustable fit accommodates different sizes, providing a secure and comfortable experience during activity. Quick tummy off Keeps your body warm as you train. Wearing this vest can help you pursue muscle building and weight loss goals more efficiently, with a claim that 10 minutes of training in this vest can have the training effect of 30 minutes in a different shirt. Ready for sauna sweat This 2 in 1 crossfit vest and waist trainer for men is made of synthetic neoprene and polyester. It is breathable, adjustable, and flexible enough to move with you. Tightening the waist trainer before a workout can help you lose extra water weight and retain body heat to burn more calories. The body shaper sauna training vest can also protect you from cold. Materials and design Synthetic neoprene and polyester construction for breathability and adjustability. Full vest with an outer adjustable belt to enhance fit and performance during workouts. Use scenarios - Gym cardio sessions where you want to start sweating sooner and engage the core more. - Weight training workouts to support core activation and potential water-weight reduction. - Cooler weather outdoor workouts where warmth and flexibility are beneficial.