Arc'teryx Aerios MID Aura Women's X000007225 Size is 24.5. Purchased at a directly managed store. Brand new, unused, with tags. Never been tried on. A lightweight and nimble shoe that utilizes outstanding trail running technology. The Aerios Aura, with its maximized breathability, is a shoe for hiking challenging trails in hot weather. The advanced technology of the recycled polyester mesh upper achieves airflow by making the thread count coarser in areas prone to heat buildup. The fastener pins are integrated with the lining to pursue a comfortable and supportive fit. The high sidewalls enhance protection. The Vibram Megagrip outsole provides a firm grip that can handle a wide range of road conditions.