Recommend order ONE or TWO size up.Please check our size chart description picture. Package include 1 x unisex heated coat,Ideal Christmas gift for family members, friends, employees. 7 Heating Zones: The Heated jackets are equipped with 7 heating zones,keep you warm in extremely cold winter. It has excellent windproof and warm-keeping quality, ensure you be able to enjoy exceptional warmth while still maintaining your peak performance in many ways Charging precautions: non-inductive voltage (use your charging treasure to charge better heat effect),Connect the charging treasure, press and hold the swi-tch for 3 seconds to charge and heat. Recommend order ONE or TWO size up.Please check our size chart description picture. Package include 1 x unisex heated coat,Ideal Christmas gift for family members, friends, employees. 7 Heating Zones: The Heated jackets are equipped with 7 heating zones,keep you warm in extremely cold winter. It has excellent windproof and warm-keeping quality, ensure you be able to enjoy exceptional warmth while still maintaining your peak performance in many ways Charging precautions: non-inductive voltage (use your charging treasure to charge better heat effect),Connect the charging treasure, press and hold the swi-tch for 3 seconds to charge and heat. Size Chart: Size :L-- Size :Large-- US :8-- UK :12-- EU :38-- Bust :105cm/41.34''-- Shoulder :41.5cm/16.34''-- Length :67cm/26.38'' Size :XL-- Size :X-Large-- US :10-- UK :14-- EU :40-- Bust :107cm/42.13''-- Shoulder :42.7cm/16.81''-- Length :69cm/27.17'' Size :XXL-- Size :XX-Large-- US :12-- UK :16-- EU :42-- Bust :109cm/42.91''-- Shoulder :43.9cm/17.28''-- Length :71cm/27.95'' Size :XXXL-- Size :3X-Large-- US :14-- UK :18-- EU :44-- Bust :110cm/43.31''-- Shoulder :45.1cm/17.76''-- Length :73cm/28.74'' Size :XXXXL-- Size :4X-Large-- US :16-- UK :20-- EU :46-- Bust :112cm/44.09''-- Shoulder :46.3cm/18.23''-- Length :75cm/29.53''