Make sure your little one stays warm with the Terramar 2.0 Free Ride 2-Piece Long Underwear Set. Ideal for winter walks, snow play, and more, this is a soft, breathable set. Antimicrobial treatment inhibits the growth of odor-causing bacteria on the fabric with flat seam construction offers smooth comfort and minimizes risk of chafing. UPF 25 sun protection shields against harmful UV rays and reflective logos add visibility in low light. Fabric is moisture-wicking, quick-drying and features a brushed inner surface that traps air for warmth and allows airflow for breathability.