Button closure [Washable Warm Womens Pants] Materials for a Comfortable base layer warmer in cold weather. washing must use a laundry bag, the strong centrifugal force of the washing machine may break the wire cable. [Max 8pcs Heated Pads Clothing ] Hot zones in abdomen, waist, knee, leg per 2pcs heat pads separately. Help promote blood circulation, enhance metabolism, reduce muscle stiffness, etc., activate blood, and keep warm for your body. [Durable Safe Heating Carbon Fiber] High-Quality Fabricare made of a lightweight synthetic fabric and are waterproof and breathable. The lining is made of polyester elastane for comfort and warmth. They can be both thermal pants in winter outdoors. [Fast Heating Lasting Warmer] Lightweight electric Heated pants USB rechargeable, can be heated up quickly in 15-30 seconds.3 Temperature Settings Level Adjustment, these cold-weather pants can be set separately by heating Trousers. [Outdoor activities] Perfect for all kinds of outdoor activities such as exercise, Camping, skateboarding, self-driving, jogging, dog-walking, working outdoors, hunting, skiing, fishing, hiking, biking, and riding motorcycles, and shoveling snow. Electric Heating Pants for Women USB 5V/2A Washable Heating Trousers Winter Heating Pants Black Trousers You can match the hiking pants with a fashionable jacket, sweater, sweatshirt or heated vest.Suit for outdoor activities, hunting, skiing, fishing, mountain climbing,office daily, etc. 8 HEATING ZONES 8 built in carbon fiber heating panels across the core ofyour body (abdomen, waist, thigh, leg, knee ) keep you toasty in chilly winter. CARBON FIBER FARINFRARED RAYFIR The heating materal is made from carbon fber, which is safer softer and more healhy. WAISTFEVER The unique heating area on the abdomen and waist, much warmer than the ordinary pants. SOFT AND WARM Soft and high-quality thermal materials, keep you warm in the cold winter. WASHABLE Clothes can be completely washed in the washing machine without damaging the clothes. UPGRADED USB INTERFACE USB interface: 5V Need the powerbank output current: 2A REGARDING THE 10000MAH POWER BANK Adjust the heating level by pressing the power button: Red-High Temperature (55C/ 130F) White- Medium Temperature (50C/120F) Blue-Low Temperature (45C/113F) Package Includes: 1 x Heated Pants HOW TO USE 1. Connect to a Power Bank, then press the power switch for 3 seconds, the red light will blink and the electric heated pants start heating. 2. The 3-level temperature setting provides more warmth options so you can choose the temperature according to your needs.