Lululemon Metal Vent Tech 1/2 Zip 2.0 Size: Medium Condition: Like New! If worn it shows no signs. No flaws. Style Number: M3BL8S Original Price: $98 Material: Mesh, Silverescent The ultimate technical training half zip—built to perform sweat after sweat. silverescent® technology Silverescent® technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on this garment anti-stink features Designed for: Training Ventilation: Mesh construction for breathability Recycled polyester: 100% of the polyester in this product is recycled Stylish and comfortable long sleeve top. Features a half-zip design. Perfect for casual or athletic wear.