Our Dimetrodon synapsid hoodies are ultra-cozy and make the perfect gift for dinosaur lovers! These awesome dinosaur sweatshirts for men and women are unisex, tagless, and made from an incredibly plush cotton-poly blend. Our hooded synapsid sweatshirt features the scientifically accurate fossil skeleton of Dimetrodon on the front, and all of our pullover dinosaur hoodies for adults are printed in fine detail and are collectible quality!