Shell 55% Coolmax, 25% Rubber Band, 20% Spandex Material
Heat Technology Advanced Carbon Fiber
Care Machine washable (use a mesh bag)
• Both the heating layer and the insulation layer use far-infrared heating elements.
• Heating elements cover the entire toe area, instep, and forefoot.
• Touch to adjust 3 heat settings (high, medium, low).
• Up to 8 hours of battery life (2.5 hours on high heat, 5 hours on medium heat, 8 hours on low heat)
• Heats up in 30 seconds with a 7.4V UL/CE certified battery.