This is an officially licensed Barney product.
This shirt is made of soft material. Shirt says "Dinosaur Rock" and features Barney on the sax, Baby Bop on drums, and BJ on guitar.
Sheer t-shirts are made of a soft material and are slimmer fitting than your average t-shirt. Sheer t-shirts are generally made of a cotton/polyester blend, but may also be 100% cotton. The shirts are not see-through nor is there any loss of quality.