You want to be ready for action the moment the sun lifts over the horizon so you can get your day started right. In the Mountain Hardwear Men's Crater Lake Short Sleeve, those active, sunny days feel even better, thanks to a solar knit fabric that blocks damaging sun rays and wicks moisture as you get your workout going. And with HeiQ Mint odor-control technology keeping you fresh during the most strenuous adventures, you just know this shirt is the perfect fit for your morning run, hike, or bike ride.