Lululemon Black Swiftly Tech Short Sleeve Waist Length T-Shirt Women’s Size 6 Small. In Excellent Used Condition With No Flaws, Only Worn A Few Times Then Dry Cleaned. Measurements: Armpit To Armpit 18” Length 27” Sleeve Length 9” Materials: 54% Nylon, 40% Recycled Polyester, 3% Elastane, 3% X-Static Nylon Go ahead, get sweaty. The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. •Skims your body •Shortened length won't ride up on long runs or race day •Silverescent technology, powered by X-STATIC inhibits the growth of odour-causing bacteria on the fabric