Breathe in that fresh air with this spacious. soft tee. It feels like a classic. with a slightly baggy fit. And when you're out enjoying the great outdoors. the lung-shaped graphic reminds you to stop. breathe and take in the scenery. This product is made with 100% sustainable materials. using a blend of both recycled polyester and organic cotton fibers. The blend is at least 10% recycled fibers or at least 10% organic cotton fibers.