Features: brand new and high quality Made of polyester fiber (polyester) material, breathable and comfortable to wear. The winter heated vest is 3 heating modes of high,medium and low can be adjusted at will. The men heated vest needs portable charger to connect to the USB cable.Just portable charger works, the heated vest can make heat.(portable charger is not included, only the heating vest) 9 areas heated hooded vest can help you maintain body warmth, promote blood circulation, and relieve pain as well as tension in muscles. You can send it as holiday or birthday gifts for your friends to give them a surprise. Specifications: Material: Polyester Fiber (polyester) Color: Black/Blue/for Grey Size: for M/L/XL/2XL/3XL/4XL(Chinese size ,follow the size chart to select please) Size: for M Length: 65cm/25.59'' 1/2 Bust: 53cm/20.87'' 1/2 Pendulum: 43cm/16.93'' Shoulder: 40.3cm/15.87'' Collar: 51.5cm/20.28'' Size: L Length: 67cm/26.38'' 1/2 Bust: 55cm/21.65'' 1/2 Pendulum: 45cm/17.72'' Shoulder: 41.5cm/16.34'' Collar: 52.5cm/20.67'' Size: XL Length: 69cm/27.17'' 1/2 Bust: 57cm/22.44'' 1/2 Pendulum: 47cm/18.50'' Shoulder: 42.7cm/16.for 81'' Collar: 53.5cm/21.06'' Size: 2XL Length: 71cm/27.95'' 1/2 Bust: 59cm/23.23'' 1/2 Pendulum: 49cm/19.29'' Shoulder: 43.9cm/17.28'' Collar: 54.5cm/21.46'' Size: 3XL Length: 73cm/28.74'' 1/2 Bust: 61cm/24.02'' 1/2 Pendulum: 51cm/20.08'' Shoulder: 45.1cm/17.76'' Collar: 55.5cm/21.85'' Size: 4XL Length: 75cm/29.53'' 1/2 Bust: 63cm/24.80'' 1/2 Pendulum: 53cm/20.87'' Shoulder: 46.3cm/18.23'' Collar: 56.5cm/22.24'' Package Includes: 1x Heated Vest note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.