Heavy Duty RAD Sweat Shirt Sauna Exercise Gym Suit Fitness Weight Loss Top Men RAD Neoprene Sweat Shirt is a guard to save you from rashes and weight loss.It is made of 1.99 mm extreme Flex DS neoprene.It fits nearer to the body allowing unlimited movement while doing exercise. .Extreme Flex grade Neoprene stretches and conforms to the the main part of the body and arms for important sweat loss of additional pounds and at the same time super stretchy tripple stronger material offers freedom to move , suitable for all kind of activities, especially sparring,grappling ,rolling and MMA workouts.It offers complete freedom to move and supply a lot of warmth afforded by a rash guard due to the insulating power of a core warmer. You will experience many of its qualities when you wear it.