When the mercury rises, the Patagonia Sunrise Stream Long Sleeve Shirt becomes your secret weapon against sweltering days. This women's organic cotton shirt features featherweight 2.2-oz cotton lawn fabric that practically floats on your skin, delivering exceptional breathability without sacrificing the sun protection of long sleeves. The relaxed fit and button-up front work together to create natural airflow channels, keeping you cool whether you're exploring a sun-drenched farmers market or catching the breeze on a lakeside patio. Built with Patagonia's commitment to ethical manufacturing through Fair Trade Certified production, this lightweight button-down proves you don't have to choose between staying cool and doing good – making it the perfect warm weather companion for conscious adventurers who refuse to compromise on comfort or values.