Lululemon designed this anti-stink racerback with running (and sweating) in mind. Silverescent® technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the garment. Fabric is four-way stretch Features• Designed for: Run Silverescent® technology: Powered by X-STATIC®, it inhibits the growth of odour-causing bacteria on the garment No chafe: Seamless construction in the body minimizes chafing Mobility : Racerback cut for full range of movement Fit : Body Skimming, hip length