22 inches across armpit to armpit when flat Elevate your wardrobe with the sophisticated charm of a Hugo Boss men's extra slim blue shirt, perfect for a sharp, contemporary silhouette. Crafted with meticulous attention to detail, this long-sleeved piece boasts a smart collared neckline, ensuring you stay impeccably dressed for any occasion. The shirt, available in size XL, is designed to offer a flattering extra-slim fit, complemented by slimming features that enhance the garment's appearance. Its versatile blue hue makes it a splendid choice for pairing with a range of trousers and suits, making it a versatile addition to your collection.