Experience peak performance with YANYNGS electric thermal underwear. This smart heating set features 6 heating zones to warm your shoulders, back, waist, belly, and knees. Adjust the temperature from 104°F to 122°F using the touch-friendly switch. Each pair is designed with soft, skin-friendly fabric for ultimate comfort and is ready to use within minutes. Perfect for both indoor and outdoor activities.
  Keep your cold nights cozy and your busy days warm. The YANYNGS heating underwear set is an excellent gift for elders, friends, or lovers. Ensure safety and reliability with its 5V/2A USB port and low-voltage operation. Stay warm whether you're skiing, camping, working, or doing your favorite outdoor activity.