From Lululemon: We designed this anti-stink tee to be your trusty sidekick for training runs and sweaty sessions. Seriously Light™ Luon Our sweat-wicking, four-way stretch Seriously Light™ Luon fabric makes moving a breeze · seriously lightweight · sweat-wicking · four-way stretch · cottony-soft Features · Designed for: Run · Lycra®: Added Lycra® fibre for shape retention · Relaxed fit, hip length: Layers easily, room to breathe · Silverescent® technology ~~~~~~~~~ Excellent condition with no flaws but missing tag. Measures about 24" shoulder to hem, 18.5" pit to pit. Questions &/ offers welcome! (lowballs ignored)