Pro Max Thermax Heated Vest Size:M 5Tech materials is 10k/10k Waterproof/Breathable

5Tech materials is 10k/10k Waterproof/Breathable materials

while updates to the hardware allow for a more robust general performance

For 4 riders at a range of up to 1

Innovative comfort and performance features include Venturi Venting that pulls moist air out without letting cold air in

The M3V2 reel on the side adjusts the lower zone for fine-tuned comfort

Pro Max Thermax Heated Vest Size:M 5Tech materials is 10k/10k Waterproof/BreathablePolyester fleece with carbon fiber heating elements. 3 level smart control: high, medium, and low. Heating Temperature: 45 60 C. Heating time: 3 8 hours. Heating Area: Left chest, right chest and the back. Includes: switch buttons, lithium battery pack, charger and instructions.