The Patagonia Long Sleeve Lightweight Fjord Flannel Shirt delivers the comfort and warmth you expect from flannel without the bulk that weighs you down. Crafted from 4.8-oz 100% cotton in conversion double-sided brushed flannel, this men's flannel shirt strikes the perfect balance between durability and breathability, making it your go-to piece for everything from morning coffee runs to casual Friday at the office. The lightweight construction means you can layer it under a jacket when the temperature drops or wear it solo on those perfect fall days. Built with Fair Trade Certified manufacturing and designed with a versatile shirttail hem that looks great tucked or untucked, this isn't just another flannel shirt – it's the sustainable, ethically-made staple that'll become your new favorite layer for cooler weather adventures and everyday casual wear.