the rib patch cotton tank is made of high quality stretch double knit rib fabrics. This style is part of our zero waste and dead stock series. Each style is made in small editions using left over fabrics scraps from bigger production. The manufacturing process therefore is very labour intensive, it makes the shirt unique and minimizes the environmental impact of garment production. 100% cotton. this garment is cut and sewn in New York City. Fitted , just long enough to tuck in.