NWOT We designed this anti-stink long-sleeve layer with running (and sweating) in mind. Silverescent® technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the garment. seamless construction No side seams—seamless construction in the body minimizes chafing. Thumbholes: Help keep your sleeves in place and hands warm Fit : Body Skimming, hip length Breathability: Strategically placed Mesh fabric provides ventilation Sweat management: Mesh fabric is placed in high-sweat zones for ventilation Fit : Body Skimming, hip length Size 6