Whether you're cheering from the stands or heading to the office, elevate your look with this 1/4-zip constructed from 100% recycled material.. 5.7-ounce, 100% recycled polyester. 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. New Era logo zipper pull. Thumb holes. Drop hem. Embroidered New Era logo at hem. A C-FREE ProductWe start by reducing the product's impact by switching to at least 50% preferred materials. We then measure and reduce the total carbon footprint of each product in the C-FREE program-from cradle-to-grave-through the ClimeCo Certified Product Program. This certification purchases third-party, verified carbon offsets through ClimeCo. LNEA515