Tone N Tighten (TNT). Your body will look dynamite after this class. Come prepared for a calculated mix of extreme toning of TRX, fat blasting of cardio intervals, and muscle sculpting of a light weight workout all to your favorite tunes. Expect to sweat, laugh, and chisel in a night club atmosphere full of energy and fun! For this class, you will need a mat, tennis shoes, small towel and water.