I purchased these gloves from this site for winter touring, but I'm selling them because I only used them about once a year. The glove size is M, and it comes with two batteries. I didn't ride for long periods in the winter, so I'm unsure of the battery life. TAICHI heated gloves, perfect for use in cold regions. - Brand: TAICHI - Model Name: eHEAT - Function: Heated gloves - Included: Batteries and charger - Material: Synthetic leather and nylon Thank you for looking.