Up to 40" C Up to 5Hrs Battery Life (5,000mAh Battery Included) Optional 10,000mAh Battery - Available to Purchase separately Soft Feel Textile materials / Comfortable & Stylish 100g Thermal Padding (Holds Heat Better) 3 Stage Easy Use Switch High Neck to Keep Winter-Chill at bay HEATED VEST REPLACEMENT BATTERY 5,000mAh- Replacement Battery