Ready for a year-round t-shirt that can do just about anything? Then try the Smartwool Men's Merino Short Sleeve Tee. This is definitely not your ordinary t-shirt. The fabric is a lightweight Merino wool and nylon blend that is soft and breathable. It may be one of the most comfortable things you've ever worn. Don't let the softness fool you, Merino wool is sturdy stuff. Wear this shirt on your outdoor adventures no matter the weather. Layer it with a flannel when it's cool or solo in the summer.