The Lululemon Men's Running Shirt in Heather Gray is a medium weight, stretchy, and breathable pullover designed for active wear. It features a crew neck and short sleeves, perfect for running and jogging. The shirt is part of the Lululemon Metal Vent product line, known for its lightweight fabric that moves with you during workouts. Made for men in a regular fit, this shirt is machine washable and is ideal for those who prioritize comfort and performance during their fitness activities.