5 oz./yd² (US) 8.3 oz./L yd (CA), 100% polyesterSafety Green is compliant with ANSI / ISEA 107 high-visibility standardsPerformance's 100% spun polyester fabric offer moisture-management, odor control and snag-resistance properties with a soft hand of cotton the ideal choice for sublimatingModern classic fitSingle needle topstitched, classic width collarTaped neck and shoulders for comfort and durabilitySide seamsTear away labelMade with OEKO-TEX certified low-impact dyesThis product meets the following Sustainable Style subcategories:Sustainable Manufacturing: This product meets the OEKO-TEX Standard 100.Socially Conscious Manufacturing: This product was made by a mill who partnered with Fair Labor Association and was made in a facility that is WRAP certified.