Lululemon Drysense Short Sleeve Shirt Heathered Regatta Blue Go ahead, sweat. This training top, powered by our anti-stink technology, won't cling and feels good against sweaty skin. Fabric is sweat-wicking and quick-drying sweat-wicking quick-drying features Designed for: Training Silverescent® technology: Powered by X-STATIC®, it inhibits the growth of odour-causing bacteria on the garment Lycra®: Added Lycra® fibre for shape retention Mobility : Gusset under the arms for added range of movement Locker loop: Locker loop makes for easy hanging Fit: Classic fit No size tag or dot. See measurements. I believe it’s a medium. GUC minor wear