Model Number A02 .KOLON/kolon SPORT Lightweight Quick-Dry Breathable Stretch Polyester Fabric, Washable without Deformation. The fine long fibers have excellent moisture absorption and breathability, featuring 7A-level physical antibacterial natural protection.Polo collar with double-layer reinforced heat sealing, showcasing a high-end and aesthetically pleasing design that maintains its shape without sagging and offers a three-dimensional feel.Three-dimensional cutting at the underarm side seams for comfortable movement.Suitable for daily life, casual business, and age-inclusive wear, this versatile style enhances body shape and can be worn by individuals of various weights.M: Shoulder Width 44.4 cm, Chest Circumference, Length 67 cm, Sleeve Opening 16.6 cm, Suggested Weight - kg .L: Shoulder Width 45.7 cm, Chest Circumference, Length 69 cm, Sleeve Opening 17.3 cm, Suggested Weight - kg .XL: Shoulder Width 47 cm, Chest Circumference, Length 71 cm, Sleeve Opening 18 cm, Suggested Weight - kg .2XL: Shoulder Width 48.3 cm, Chest Circumference, Length 73 cm, Sleeve Opening 18.7 cm, Suggested Weight - kg .3XL: Shoulder Width 49.6 cm, Chest Circumference, Length 75 cm, Sleeve Opening 19.4 cm, Suggested Weight - kg .4XL: Shoulder Width 51 cm, Chest Circumference, Length 77 cm, Sleeve Opening 20 cm, Suggested Weight - kg .5XL: Shoulder Width 52.2 cm, Chest Circumference, Length 78 cm, Sleeve Opening 20.8 cm, Suggested Weight - kg