KEEPS ENTIRE BODY WARM: Electric thermal underwear with rechargeable battery that heats back, waist, and knees.Distributes heat and promotes blood circulation to keep your whole body warm.
OUTDOOR ACTIVITIES:Perfect for all kinds of outdoor activities such as jogging, dog-walking, working outdoors, hunting, skiing, fishing, hiking, biking, and riding motorcycles, and shoveling snow.
EXTENDED HEATING TIME: Powered by 2 ultra-large capacity 7.4v3000mAh rechargeable lithium battery packs that can last 2-5 hours before recharging, depending on the settings (low, medium, and high).
Soft, breathable cotton and polyester fabric with Polyester firm elastic reinforcement. Quick-drying; will not shock, even when wet.
Package includes: One pair of electric thermal underwear set with heat settings buttons, two 7.4V 3000mAh lithium battery packs, one charger and instructions.any questions,please contact us by email.