Experience ultimate comfort during the coldest days with our YANYNGS Women's Heated Underwear Set. Featuring 32 advanced heating zones, this thermal set ensures you stay warm in all the right places—belly, back, waist, thighs, calves, and more. The intuitive 3-speed temperature control allows you to choose your perfect level of warmth with just a simple press of the button, and the LED indicators (red, blue, green) show you the current heat level. Made with soft, skin-friendly fabrics, these long johns are designed to be gentle on your skin while maintaining excellent elasticity, so they fit perfectly and won’t stretch out or lose shape over time.
  Whether you’re heading out for a chilly hike, working in a cold environment, or simply staying cozy at home, these heated underwear are perfect for any situation. The USB electric heating technology ensures a stable and safe performance, while the low operating voltage provides peace of mind. With up to 122°F of warmth, this set becomes your go-to companion for activities like skiing, camping, cycling, and more. It's also an ideal choice for gifting during holidays like Thanksgiving or Christmas—perfect for loved ones, friends, or family members who appreciate comfort and innovation.