Big Muscle Gains Apparel is made to keep your body dry during your workouts. Our moisture-wicking fabrics are among some of the best in the industry. Our apparel is sized and cut to compliment your body. With our Free Flowing Technology, Big Muscle Gains Apparel helps you get through your workout without filling restricted. We’re the fastest growing, most innovative brands in fitness, and everything we do is to help to inspire individuals to achieve something extraordinary.