• Heating pads on the chest, back, collar, and sleeves • Compressible, water-repellent, durable Thinsulate® insulation • Teflon® coated, wind-resistant, soft nylon shell • Inside and outside pockets • Silky soft micro denier collar • Form-fitting patterns and sizing to fit snugly and easily under your outer garments • Glove plug pockets placed on the sleeves secure the plugs when not in use • Incorporates Gerbing's Microwire® heating technology that uses micro-sized heating fibers to surround the body with warmth