Dr.warm Heated Insoles App Control (38-40)

Dr.warm heated insoles with app control. Rechargeable for men and women. Great for hunting, ice fishing, camping, hiking, skiing, and outdoor work. Control temperature via the Dr. Warm app with 3 heat settings: high (149°F/65°C), medium (131°F/55°C), and low (113°F/45°C). Made with carbon fiber heating material that warms up quickly. Velvety top layer for comfort. Insoles are cuttable to fit your shoe size; we recommend wearing them with looser shoes for better comfort. Perfect for winter outdoor activities.