Sexyggs SEXGYYS Slimming Body Shaper Tummy Waist Magic Compression Muscle Shirt Undershirt 80% polyester Stretchy Firm Tummy Belly Control Slimming Body Shaper Vest Undershirt Magic Compression Muscle Shirt. Figure-Flattering Trimmer. Smoothing compression fabrics that tuck, boost, & slim to perfection. Relaxed-fitting top for smooth comfort across the chest. The ultimate body shaping undergarment for men. Creates a lean appearance & build abdominal muscle. Material_ Breathable spandex blends ( nylon 80% polyester 20% ) Package:Vest x1