City Threads Boys and Girls Thermal Underwear Base Layer Long John Set – Soft 100% Co is made in the USA by City Threads, a family-owned Los Angeles company crafting soft, durable, American-made clothing since 2003. Loved by parents for sensory-friendly comfort and dependable quality, City Threads cuts and sews every piece in the USA.
A comfortable, made-in-America choice for active kids and families. Made in the USA (as stated by the manufacturer).









