HEAT ACROSS BODY WARM AND COMFORTABLE : 3 CARBON FIBER HEATING ELEMENTS GENERATE AND TRAP HEAT ACROSS CORE BODY AREAS (LEFT CHEST, RIGHT CHEST AND MID-BACK) THREE HEAT LEVELS OF WARMTH BY A PUSH OF A BUTTON. BATTERY USAGE TIME VARIES DEPENDING BATTERY EXP. Collection:AW22
Composition :100% Polyamide.