HotMocs Heated MicroFleece Scarf G1R, HM3008F MicroFleece Holds up to five hand or body sized warmer heat packs. Heat packs can be located on the back of neck and chest area providing multiple heating locations for maximum warmth. Scarf can be worn outside of jacket while walking or hiking, then put back inside jacket during lower activity levels. Keeps you warms for only pennies an hour. Includes 2 warmers.