We start by reducing the product's impact by switching to at least 50% preferred materials. We then neutralize the total carbon footprint of each product in the C-FREE programÑfrom the product's initial raw materials to its end-of-lifeÑthrough Carbonfree® certification. This certification purchases third-party, verified carbon offsets through Carbonfund. 5.3-ounce, 60% recycled cotton/40% recycled polyester honeycomb pique. Tag-free label. Flat knit collar. 3-button placket. Buttons include 26% recycled content. Drop tail hem. Side vents.