• Our C-FREE carbon neutral polos not only feel good, they do good. With C-FREE, we measured the carbon footprint of these styles and we're neutralizing their impact with Carbonfree certification. • 4.9-ounce, 100% recycled polyester jersey • Snag-proof • Moisture-wicking • Self-fabric collar • 3-button placket • Grey buttons include 31% recycled content • Side vents • Due to the nature of polyester performance fabrics, special care must be taken throughout the printing process.