This Men’s Realtree Performance Layer 1/4 zip top is engineered to deliver optimal performance and comfort. Men's 1/4-Zip Performance Long Sleeve Shirt:Durable performance fabric that has a strechable givePerfect for high activityBrushed on the back side for softnessMachine washableColor block designTagless You Choose Size: Medium: armpit to armpit measures 21 inches; shoulder to end of shirt is 27 inches; measurement from neck seam to end of sleeves is 32 inches. Large: armpit to armpit measures 23 inches; shoulder to end of shirt is 28 inches; measurement from neck seam to end of sleeves is 32 1/2 inches. XLarge: armpit to armpit measures 24 1/2 inches; shoulder to end of shirt is 29 inches; measurement from neck seam to end of sleeves is 33 inches. 2XLarge: armpit to armpit measures 26 inches; shoulder to end of shirt is 30 inches; measurement from neck seam to end of sleeves is 33 1/2 inches. I ship within one day of cleared payment. Thank you!