Description: Thanks to the quick heating and constant temperature, this waistcoat can keep you warm in the cold winter. And USB heating design comes in very handy. There are 3 temperature modes in the vest to meet your different needs. Moreover, it is stable, safe and reliable. It is made of good cotton blend and polyester material. There are M, L, XL, 2XL, 3XL, 4XL sizes for you to choose from. It is suitable for cold weathers. Item Name: Heated Vest Material: Cotton Blend, Polyester Style: Casual Gender: Unisex Size Type: Regular Season: Winter Collar Type: Stand Collar Sleeve Length: Sleeveless Specification: A (2 Heated Zones), B (4 Heated Zones) Features: Comfortable, USB Heating, Constant Temperature Size Details: Size: M, Length: 65cm/25.6", Bust: 106cm/41.7", Shoulder: 40.3cm/15.9" (Approx.) Size: L, Length: 67cm/26.4", Bust: 110cm/43.3", Shoulder: 41.5cm/16.3" (Approx.) Size: XL, Length: 69cm/27.2", Bust: 114cm/44.9", Shoulder: 42.7cm/16.8" (Approx.) Size: 2XL, Length: 71cm/28", Bust: 118cm/46.5", Shoulder: 43.9cm/17.3" (Approx.) Size: 3XL, Length: 73cm/28.7", Bust: 122cm/48", Shoulder: 45.1cm/17.8" (Approx.) Size: 4XL, Length: 75cm/29.5", Bust: 126cm/49.6", Shoulder: 46.3cm/18.2" (Approx.) Notes: Please refer to our size chart and choose the right size. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Package Includes: 1 x Heated Vest 1 x USB Cable (Power Bank Not Included)