This outfit is super cool and fun for your kids. The pajama set features the popular Sonic the Hedgehog character from the tv shows and recent new movie. The fabric is comfortable and a classic cotton that is nice and lightweight for extra comfort while sleeping. It will be great for all year round. This set includes a long sleep top and matching pants with an elastic waistband and contrasting cuffs. The set is very versatile, as it can be worn to sleep as pajamas or lounging and playing around the house. The lounge set is adorable and would make a great gift for your song, grandson, or nephew for their birthday. They will love it and can wear it many times over and over again.