XL-sized Peltier cooling vest usable in a temperature range of -18°C to 35°C. Used once for about 30 minutes. It's in good condition, but please refrain from purchasing if you are not comfortable with used items. Feel free to comment if you have any questions. - Model Name: IC101S ICECRAFT (PELTIER) - Size: XL - Temperature Range: -18°C to 35°C - Brand Name: BURTLE - Engineer: KYOCERA Industrial Tools Thank you for viewing.