Item Number: A02 .KOLON/Ke Long SPORT Lightweight, Quick-Dry, Breathable, Micro-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 Bonding, High-End Aesthetic and Durable Shape, Not Soft or Floppy, Strong Three-Dimensional Feel.Three-Dimensional Cutting at the Side Seam Underarm for Comfortable Movement.Suitable for Daily Life, Casual Business, and All Ages; A Versatile Style That Flatters the Figure, Maximum Wearable Weight: - Jin.M: Shoulder Width 44.4 cm, Chest Circumference -, Garment Length 67 cm, Sleeve Opening 16.6 cm, Recommended Weight: - Jin.L: Shoulder Width 45.7 cm, Chest Circumference -, Garment Length 69 cm, Sleeve Opening 17.3 cm, Recommended Weight: - Jin.XL: Shoulder Width 47 cm, Chest Circumference -, Garment Length 71 cm, Sleeve Opening 18 cm, Recommended Weight: - Jin.2XL: Shoulder Width 48.3 cm, Chest Circumference -, Garment Length 73 cm, Sleeve Opening 18.7 cm, Recommended Weight: - Jin.3XL: Shoulder Width 49.6 cm, Chest Circumference -, Garment Length 75 cm, Sleeve Opening 19.4 cm, Recommended Weight: - Jin.4XL: Shoulder Width 51 cm, Chest Circumference -, Garment Length 77 cm, Sleeve Opening 20 cm, Recommended Weight: - Jin.5XL: Shoulder Width 52.2 cm, Chest Circumference -, Garment Length 78 cm, Sleeve Opening 20.8 cm, Recommended Weight: - Jin.