We designed this lightweight run top to help us keep our cool, whether we're pacing slow and steady on a long run or making a mad dash for the finish line. Made with an open vent at the back and body-mapped panels of lightweight, breathable fabrics, this top was built to keep the breezes flowing when we're working up a sweat. Key features open vent at the back helps you blow off steam lightweight Silverescent fabric is moisture wicking and anti-stink body-mapped panels of breathable mesh on the shoulders and underarms help you chill out quick-drying Ultra-Light Swift panel in the front is four-way stretch to move with you offset side seams reduce the chances of chafe Tech specs designed for: run fabric(s): Silverescent®, mesh, Ultra-Light Swift properties: moisture wicking, quick drying, breathable, lightweight, anti-stink, four-way stretch fit: body-skimming length: hip In great condition, tag is cut out but no obvious flaws. From a smoke-free, pet free home. Fast shipping.