He'll love the cool, dimensional Lego T-Rex graphic designed after the mighty Tyrannosaurus in Lego Jurassic World. Features a contrasting gray collar and bright red sleeves. Double-cuffed pajama shorts with a light mesh texture. A full elasticized waistband for a snug fit. Of a comfy and breathable polyester jersey. 100% Polyester Paypal Payments Accepted. All purchases are mailed out within 2 business days of receipt of payment.