The Smartwool Kid’s Classic Thermal Merino Base Layer 1/4 Zip is designed to keep young adventurers warm, comfortable, and ready for any cold-weather activity. Made with soft, breathable Merino wool, it naturally regulates temperature and manages moisture to keep kids dry and cozy all day long. The 1/4 zip design allows for easy layering and quick ventilation, making it a versatile essential for winter play.