Lululemon Swiftly Tech Racerback Tank Top 2.0 NEW! SZ 6 Color ~ Blue/Cerulean Blue The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Slim Fit, Waist Length • Shortened length won't ride up on long runs or race day Skip-the-Chafe, Seamless Construction • Minimal seams to reduce chafe • Lightweight • Mesh construction for breathability • Added elastane improves stretch and shape retention Brand New!