Lululemon Swiftly Tech Long Sleeve Crew Heathered Berry Rumble Size 6 Excellent Condition This lightweight, long-sleeve was designed with running (and sweating) in mind. Strategically placed Mesh fabric keeps you cool while Silverescent® technology, powered by X-STATIC ®, inhibits the growth of odour-causing bacteria on the shirt. Lightweight fabric and seamless construction keep you moving freely