5-ounce, 100% polyester jersey knit,Moisture-wicking,Anti-odor properties,Recycled, high-performing black tear-away label,Seamed single-needle 3/4" collar,Double-needle sleeves and bottom 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.Please note: This product is transitioning from tear-away labels to recycled, high-performing black tear-away labels. Your order may contain a combination of both labels.