Tis (finally) the season to take your training from the treadmill to the track—or pavement or trail. Go on: Lace up your sneaks and ramp up your cardio to get into summer shape. Whether you’re a marathoner or a beginner, here are the running essentials that’ll bring the better half to your training. Your shortlist of the best and latest in moisture-wicking, ventilated, weather-proof technology. Consider it your fast pass to the finish line.