D.O. 2026 Spring/Summer Official Website Synchronization Mature Men Light Mature Men Favorite Style Classic Elegant Versatile Business Casual Polo Collar T-Shirt Made from Imported Double Silk Cotton Fabric Comfortable and Breathable Delicate Texture Super Soft Skin-Friendly Touch! The collar design features a slim fit cut that is absolutely structured and stylish! The lock stitching clearly indicates that it is produced by a reputable manufacturer; the density of this sewing technique shows meticulous attention to detail! Highly recommended, and you simply won't find such a style outside! .Size: M-XXXL