TOPTIE Compression V-Neck T-Shirt, Men's Shapewear T-Shirt 90% Polyamide/10% Spandex Please check our SIZE INFO in description or picture rather than Amazon's "Size Chart" to pick a suitable size. Tight fit, we recommend ordering ONE size up what you normally wear. Material: 90% Polyamide/10% Spandex. Perfect slimming compression t-shirt makes you look inches smaller and pounds thinner instantly. Stretchy and breathable. Giving smooth comfort when exercising or worn as undershirt.