This modern 2-piece set is made of soft cotton/poly fleece that provides lightweight warmth. The cozy hoodie can be easily layered and the pockets can be used to help keep little hands toasty. The matching pants have a stretchy waistband for a comfy fit, pockets at the sides can be used to stash small items and the tapered legs with stretch cuffs create a secure feel kids can play comfortably in.