5-ounce, 100% polyester jersey knit Moisture-wicking Anti-odor properties Tearaway label Seamed single-needle 3/4″ collar Double-needle sleeves and hem Safety Green is compliant with ANSI/ISEA 107 high visibility standards for background color Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the printing process.Given the extreme heat required for sublimation, please consult with your decorator. It is highly recommended to sample test product by color before production.Please note: This product is transitioning from heat transfer labels to tearaway labels. Your order may contain a combination of both labels.