Lululemon Metal Vent Tech Short Sleeve Shirt Mens Grey Heathered Training Top Lululemon Metal Vent Tech short sleeve shirt in a heathered black and grey colorway. Designed for training and running, this athletic top features a breathable, seamless construction with a classic crew neck and a reflective detail on the back for visibility. The lightweight, moisture-wicking fabric provides a comfortable fit for high-intensity workouts. Please see pictures for measurements and condition. 0696 B7 #Activewear