It's made from 45% recycled polyester and 55% organic cotton, creating a very smooth fabric.  Athletic Heather has a different composition of 90% organic cotton and 10% recycled polyester. This t-shirt has a modern semi-relaxed fit with a trendy high neckline. 
.: 55% Organic Airlume Cotton, 45% Recycled Polyester (fiber content may vary for different colors)
.: Light fabric (4.2 oz/yd² (142 g/m²))
.: Semi-relaxed fit
.: Tear-away label