The size of men's clothes depends mainly on their weight. The heavier the weight, the more able the shoulders and chest are to support the clothes. The size will increase accordingly. Height and weight are not absolutely related. For example, strong men 170 centimeters tall and thin men 175 centimeters tall can wear clothes of the same size, even if they are the same height and weight, the chest is also an important factor affecting the choice of jackets. Different styles. Everyone has different dressing habits. Some people like tight, others like loose. Please try to choose the size according to your usual dressing habits and size table. Please note that please refer to your chest circumference and choose the size. Thank you very much. M Bust: 102cm,Length: 108cm,Waist: 94cm,Shoulder: 44cm,Sleeve: 59cm L Bust: 106cm,Length: 110cm,Waist: 98cm,Shoulder: 45cm,Sleeve:60cm XL Bust: 110cm,Length: 112cm,Waist: 102cm,Shoulder: 46cm,Sleeve:61cm XXL Bust: 114cm,Length: 114cm,Waist: 106cm,Shoulder: 47cm,Sleeve:62cm 3XL Bust: 118cm,Length: 116cm,Waist: 110cm,Shoulder: 48cm,Sleeve:63cm Fabric: wool 51%, polyester fiber 35%, acrylic fiber 9%, other fibers 5%, the outer fabric is wrinkle-resistant, wear-resistant, and thick and warm. The lining is made of 100% polyester fiber, suitable for the skin, soft and comfortable. Design: Designed by professional designers according to European and American body shapes, classic lapel, long sleeves, length below the knee, front single-breasted closure, slim tailoring, back slit, 2 side pockets, 2 inner pockets, can store small items, convenient and practical. The outer chest pocket is a decorative pocket. OCCASION: Suitable for casual wear, work, business, dates and parties, etc. Care tips: It is recommended to dry clean, or hand wash, do not wring out, it is recommended to hang to dry, iron at low temperature, hang it when not wearing it. SERVICE: Money back guarantee,