Coexist long sleeve shirt uses religious symbols to promote religious tolerance. Medium measurements: Width at narrowest point under armpits: 19.5"/50cm. Height from top of collar at back of shirt to waist: 28"/71.4cm. Shoulder to shoulder as measured by seam: 19.2"/48.5cm. Sleeve from seam at top of shoulder to cuff: 24.6"/63cm. Other sizes available.