Specifications:

• Size: see size chart
• Product name: Insulated Heating Underwear
• Origin: CN(Origin)
• Model Number: USB Electric Heated Thermal
• Material: Cotton
• Material 2: Lining: 95% polyester fiber and 5% spandex
• Material 1: Fabric: 100% polyester fiber
• Gender: MEN
• Feature: Battery Not Included