Lululemon Swiftly Tech long sleeve prep red top- size 2 The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Seamless construction minimizes chafing features Designed for: Run Silverescent® technology: Powered by X-STATIC®, it inhibits the growth of odour-causing bacteria on the garment Lycra®: Added Lycra® fibre for shape retention Ventilation: Mesh construction for breathability Fit : Body Skimming, hip length EUC