For those chilly days that call for classic style, the Patagonia Men's Lightweight Insulated Fjord Flannel Shirt is insulated for unbeatable warmth while delivering that timeless flannel look. Thermogreen® insulation keeps you warm without bulk, so you can get on with your day even in cold and windy conditions. The handwarmer pockets are perfect for chilly hands or quick storage, while the secure chest pockets keep essentials right where you need them during your adventures. Whether you're hiking, camping, or just enjoying a brisk walk, this shirt wraps you in comfort and thoughtful design.