We designed this anti-stink tee with running (and sweating) in mind. silverescent® technology Silverescent® technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on this garment anti-stink features Designed for: Run Ventilation: Engineered Mesh is placed in high-sweat areas Lululemon! Size 14 Like new! Worn for 10 minutes. Slight mark on shoulder but would most likely come out in wash Message me with any questions! I ship same day 😉 Check out my other Lululemon items!