Lululemon Box it Out Long Sleeve New with tags. Size 12 Release date 8/2017 Dimensions: 21” top to bottom 22” pit to pit Sourced from Lululemon: You won't believe it's not cotton. We designed this anti-stink long sleeve in a fabric that feels like your favourite cotton tee, but has all the technical properties we love for a distraction-free sweat session. Fabric is anti-stink, sweat-wicking, and quick-drying with a soft, cottony feel anti-stink soft sweat-wicking quick-drying features Designed for: Training Lycra®: Added Lycra® fibre for stretch and shape retention Dropped sleeve : Loose sleeve gives you freedom of movement Ventilation: Back vent strategically placed to provide airflow Loose fit: Perfect for easy layering