Used Good Lululemon Swiftly Tech Racerback 2.0 1. Go ahead, get sweaty. The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training 2. Our seamless construction uses the fewest number of seams to create gear that glides across skin so you can skip the chafe 3. Silverescent™ technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the garment 4. Added elastane improves stretch and shape retention 5. Mesh construction for breathability 6. Slim fit, hip length