Lutece MFG. co® Longjohn - Undershirt - Long Sleeve Shirt Material: 51% wool, 31% cotton, 10% polyamide the approximate measurements M - Shoulder 43cm, Chest 46cm, Sleeve 56cm, Back 75cm L - Shoulder 45cm, Chest 50cm, Sleeve 57cm, Back 75cm XL - Shoulder 46cm, Chest 52cm, Sleeve 60cm, Back 80cm Also note our other items such as Quartermaster Lutece Jeans, Zippo, Boots etc A must for all fans of Old School Style, Rockabilly, Rockn Roll, US Army, Navy, Marines, USMC, V8, Big Block etc .