The majority of our plain sweatshirt is tubular but it will state on listing if it is. Sweatshirt can be known by brushed French Terry as well. Sweatshirt is usually fleece back but you can also get looped back sweatshirt. All details of this will be on the individual listings. Sweatshirt can be cotton, acrylic or polyester, or a mix. We don't always get compositions so cannot always give them, If cotton it will be listed as cotton. Sweatshirt is ideal for hoodies, jumpers, jogging bottoms / trackies, onsies and more. stretch varies