A temperature-regulating, breathable, quick-drying base layer perfect for keeping up with your kiddo in the great outdoors. A soft and cozy pajama for a good night's sleep. Made from a super soft, mid-weight merino wool, Chasing Windmills Thermal Long Johns can be worn day and night!
Designed with reinforced knees for extended wear and the adventures ahead.
Made in the USA from New Zealand & Australian merino wool.