The Dynafit Alpine Pro 2 in1 Short is designed to move freely with you through varied terrain on mountain and trail runs. These shorts utilize an integrated tight that helps to provide uncompromised movement, increased breathability and lower weights at just 137grams. With an adjustable waistband and flat seams throughout the fit, you will feel free and comfortable hours in. In addition, the shorts have a zip pocket for your smartphone and a rear pocket for a water flask, gels or bar. Reflective stripes increase the visibility of runners off road or in less-than-ideal weather or darkness. Go far, fast and free with Alpine Pro 2 in 1.