The Patagonia Organic Cotton Blend Plaid Button Up Long Sleeve Hiking Shirt in Men's size M is a versatile and comfortable option for outdoor activities. Made with a blend of organic cotton and polyester, this shirt is lightweight, breathable, and easy to care for. The blue plaid pattern and collared neckline add a stylish touch, making it suitable for travel and casual occasions during the summer and spring seasons. Armpit to armpit is 21.5 inches Shoulder to hem is 27 inches Smoke free home