Heated Insole 12 Volt Size-Small Aero-Tuned Ventilation: Six intake ports

Aero-Tuned Ventilation: Six intake ports across the front of helmet force cool air in while ten exhaust vents maximize movement of hot air out

giving you a closer more dexterous fit

Aqua-Guard Waterproof zippers on vents

Replace the existing description + old size table

5" 2X-LARGE 11

Heated Insole 12 Volt Size-Small Aero-Tuned Ventilation: Six intake portsDescription Gerbing's Heated Insoles heats the entire bottom of you foot, surrounding your entire foot with warmth. Our heated soles are designed to keep you warm when plugged into a 12 volt DC power source, like that found on most vehicles, motorcycles, auto, snowmobiles, ATV's, or to the 4,0A LiPo battery. Heated Insole Sizing Mens Boot Size Insole Size 4 5 XS 5. 5 6. 5 S 7 8 M 8. 5 9. 5 L 10 11 XL 12 14 2XL Womens Boot Size Insole Size 5 6 XS 6. 5