R13 Tall Collar Boyfriend Button Up updates the classic white shirt with a dramatic oversized Mao collar and a boyfriend cut. Crafted in cotton poplin, it balances a bold collar detail with relaxed, everyday wearability. Key attributes: White | Blanc | Cotton poplin | Button-front closure | Chest patch pocket | Adjustable two-button cuffs | Back yoke | Oversized tall Mao collar that can be worn raised or open | Dropped shoulders | Rounded hem | Back yoke | Chest patch pocket | Dimensions & fit: XS: Length 76 cm - Chest width 51 cm - Sleeve length 57 cm | S: Length 77 cm - Chest width 55 cm - Sleeve length 58 cm | M: Length 79 cm - Chest width 58 cm - Sleeve length 58 cm | L: Length 80 cm - Chest width 61 cm - Sleeve length 58 cm | Oversized boyfriend fit. | R13 recommends sizing down one size to retain the intended oversize silhouette. | Composition & care: 100% cotton