DetailsCustom Fit: cut slightly slimmer than Active Fit (our roomiest).Size medium has a 29" body length.Ribbed Polo collar. "RLX" knit at the right side of the collar. Three-button placket.Short sleeves with ribbed armbands.Woven "RLX" loop at the right sleeve.Even vented hem.Shell: 97% polyester, 3% elastane. Collar and armbands: 91% polyester, 9% elastane.Machine washable. Imported.Model is 6'1"/185 cm and wears a size medium.