When it's sweltering out, the only thing more appealing than blasting the AC is slipping into an ultra-lightweight dress that barely skims the body. Whether it's a floaty cotton dress that breathes easily, a poplin midi with cut-outs for added airflow, or a linen maxi made for getaways, these summer-ready silhouettes are what we'll be living in from now through Labor Day. Below, we're sharing the most breathable summer dresses we could find—consider this your guide to surviving the heat in style.