Made from soft French terry, this lightweight layer provides breathable comfort and gentle stretch for active babies. Built-in UPF 50 sun protection shields delicate skin from harmful rays, making it perfect for outdoor play and travel. Moisture-wicking performance keeps little ones dry by pulling sweat away from the skin, while the stretch fabric allows unrestricted movement and easy layering. The convenient quarter-zip design enables quick on-and-off changes and adjustable ventilation. Durable construction and easy-care materials deliver long-lasting wear and hassle-free machine washing for busy parents.