Black Button Up Short Sleeve Shirt | The SesameFit & Specs Slim Fit Short Sleeve Shirt Best for slim lean builds with narrow shoulders; a niche slim cut through chest and arms. Stretch performance, non iron finish keeps it sharp in heat. Fit: Slim (runs narrow in chest arms; size up if between sizes or prefer ease) Collar: Franklin semi spread Fabric: 48% polyester, 37% recycled cotton, 15% spandex (non iron stretch) Pattern: Solid black Care: Machine washable; hang dry; easy iron steam; dry clean