Insta Slim- Look 3 Inches Slimmer Instantly (X Large) [Apparel] 72% Nylon For the man who wants to look his very best Slims, firms, and tones your body Improves your posture 72% Nylon/28% Spandex, machine washable, made in the USA Available in Men's sizes Large (42-44 chest), X-Large (46-48 chest), and 2X-Large (50-52 chest)