*NWT* Polar Seal Heated 1/4 Zip Long Sleeve XXL In Black

New with tags, never worn You can activate heating in your lower back and upper back separately or simultaneously. These heating elements are built into the textile and are breathable and flexible. POLAR SEAL's color coded temperature control buttons allow you to make adjustments in seconds. These heat control buttons are shockproof and water resistant. Why is the power bank not provided? This open compatibility allows you to choose the power bank of your liking, in terms of brand name, size, capacity, color etc. -If you have chosen the POLAR SEAL heated top, we recommend that you choose a light power bank, with a capacity of 5,000 to 10,000 mAh. -If you have chosen the POLAR SEAL heated full-zip hoodie, we recommend an average capacity of around 10,000 mAh. 5,000 mAh: Around 4 hours autonomy 10,000 mAh: Around 8 hours autonomy 20,000 mAh: Around 14 hours autonomy