Made from recycled polyester, these C-FREE carbon-reducing polos are also snag-proof and moisture-wicking, so you can make a bigger impact in your office or workplace while making a smaller environmental impact. 4.9-ounce, 100% recycled polyester jersey This product's carbon footprint has been measured and reduced through a combination of preferred materials and investing in carbon offset projects though the ClimeCo Certified Product ™ Program Snag-proof Moisture-wicking Self-fabric collar 3-button placket Grey buttons include 31% recycled content Dyed-to-match white buttons on White include 31% recycled content Side vents Rental-friendly Due to the nature of polyester performance fabrics, special care must be taken throughout the printing process.