Lululemon mens Metal Vent Tech Short Sleeve in blue, size large. In excellent condition, lightly worn. Lying flat I measured the chest at about 21.75" across. Approx. 29.5" long. "Seamless construction, anti-stink technology, and strategic venting make this short-sleeved shirt training-session ready. Lightweight fabric is sweat-wicking and four-way stretch Designed for: Training Silverescent® technology: Powered by X-STATIC®, it inhibits the growth of odour-causing bacteria on the garment Ventilation: Mesh construction for breathability "