There are a few heated garment manufacturers who make their garments using of a different diameter plug such as Gerbing Heated Clothing. For your convenience Keis has produced two plug adapters. Please ensure that any garments from other manufacturers can be powered by a 12V power source (the Keis Apparel standard voltage, and the standard voltage for vehicle batteries). Please note: Keis Apparel cannot provide any surety, or stand liable thereof, for any products not manufactured and supplied by Keis Apparel.