Lululemon Grey Swiftly Tech Racerback Tank Top 2.0 Excellent condition Size 20 Minimal seams to reduce chafe Lightweight Mesh construction for breathability Added elastane improves stretch and shape retention 100% of the polyester in this product is recycled (excluding trims)All: 50% Nylon, 44% Recycled polyester, 3% Elastane, 3% X-static® nylon Silverescent™ technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the fabricSkims your body Sits below the waistband for moderate, everyday coverage Designed for training and running