Nanowire technology features a patented process of using silvered fibers stitched into a fabric and then waterproof sealed. This heating system is strategically placed throughout the garment to provide intense, but uniform heat coverage. Heated liner can be worn under pants like thermal under 100% nylon ripstop. For best results, heated liner should be worn over a base layer and then under an outer-pants layer. Includes instruction manual, connecting harness and on/off switch for regulating heat while riding. Zipper and snap waist closure. Rib-knit leg cuffs. Graphics on left hip. 98326-09VM fits 30-32" inseam.