Lululemon Swiftly Tech Long Sleeve Shirt Size 2 Length 20.5" armpit to armpit 12.5" The Swiftly Tech collection, powered by seamless construction, is the ultimate gear for running and training. Seamless construction minimizes chafing anti-stink features Designed for: Run Added Lycra fibre for shape retention Ventilation: Mesh construction for breathability Fit: Slim fit, race length Recycled polyester: 100% of the polyester in this product is recycled Smoke-free home