Columbia Women's Chill River Midi Dress Black Large New with Tags Omni-Freeze™ helps you feel cool and dry with accelerated wicking and next-to-skin comfort in moderate to hot conditions • Omni-Shade™ UPF 50 guards against skin damage using tight fabric construction and modified fibers to block UVA/UVB rays, so you stay protected in the sun • Omni-Wick™ keeps you dry and cool by pulling moisture to the fabric's surface to evaporate, delivering fast-drying, next-to skin comfort in the heat • Center Back Length: 48.0 in / 121.9 cm • Style # 1933601