Lululemon Swiftly Tech Long Sleeve 2.0 Size 16. 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 100% of the polyester in this product is recycled. Measurements included in pictures. New with tag.