Experience high-performance comfort with the lululemon Men's Metal Vent Tech 1/2 Zip Long Sleeve Shirt in Dark Grey/Black. Crafted with a breathable, sweat-wicking fabric featuring 4-way stretch and Silverescent™ technology for odor prevention. This long-sleeve shirt from Sri Lanka has a seamless construction to reduce chafing and a half-zip neckline for adaptable ventilation. Closure - Zip closure. Care - Machine wash. Perfect for running, training, or casual layering, this solid-pattern, athletic-fit shirt is a must-have for your active lifestyle.