Roar into bedtime with this Jurassic World big boy's one-piece pajama. This hooded dinosaur-print onesie is made from microfleece for plush warmth with long sleeves and a front zip closure for easy dressing. Fabric and fit are important safety considerations for children’s sleepwear. Sleepwear should be flame resistant or snug-fitting to meet U.S. Consumer Product Safety Commission sleepwear requirements.