Men's Lululemon Metal Vent Tech Surge Tank Size: Medium Color: Heather Grey Style: We designed this lightweight and breathable tank to keep the air flowing when you're pounding the pavement. Fabric is designed with integrated, open-hole Mesh ventilation to increase breathability Designed for: Training Silverescent® technology: Powered by X-STATIC®, it inhibits the growth of odour-causing bacteria on the garment No chafe: Seamless construction in the body minimizes chafing