Patagonia Men's Lightweight Insulated Fjord Flannel Shirt Defend / Deer Brown
- Dispatch on business days
- Easy returns and in store exchanges
- Shipping to available destinations
Patagonia Men’s Lightweight Insulated Fjord Flannel Shirt Deer Brown
The Patagonia Lightweight Insulated Fjord Flannel Shirt isn’t just another flannel – it’s a shirt and a jacket in one. Soft, warm, and built with attention to detail, it blends classic outdoor style with technical function. In Deer Brown, it brings a rich, earthy tone that works as easily in the mountains as it does in the city.
Warmth you don’t notice until you need it
This shirt is lined with 80g Thermogreen® insulation, made from 100% recycled polyester. It traps heat when temperatures drop, yet stays lightweight and comfortable to wear all day. The outer fabric is a brushed flannel made from Cotton in Conversion, soft against the skin, durable, and a step forward in supporting farmers transitioning to organic practices.
Built for everyday versatility
Think of it as a shirt you can wear on its own in mild weather, or a lightweight jacket you can throw over a tee when it gets colder. A full snap-button front makes layering simple, while snap cuffs let you roll up the sleeves when the sun comes out. The shirttail hem keeps the fit relaxed and easy-going.
Functional details that matter
Two chest pockets with button closures keep small essentials secure, while two handwarmer pockets on the sides add comfort when you forget gloves. The quilted lining provides a smooth, easy feel when layering and helps the insulation do its job without adding bulk.
Responsibly made
Like the rest of Patagonia’s line, this flannel shirt is produced with responsibility in mind. It’s sewn in a Fair Trade Certified™ factory, ensuring workers receive a premium for their labor. The recycled insulation and PFC-free water-repellent finish show Patagonia’s ongoing push for lower-impact design.
This is a shirt you’ll reach for again and again. It has the easy look of a flannel, the comfort of a midlayer, and just enough insulation to step confidently into colder days. In Deer Brown, it delivers a timeless, understated style that feels right everywhere – from trailheads to coffee shops. The kind of piece that doesn’t just sit in your closet but actually lives in your daily rotation.
Orders placed before 16:00 on business days are normally dispatched the same business day, subject to stock availability. Weekend and public-holiday orders are processed on the next business day.
Shipping rates and free-shipping thresholds depend on your delivery country and the products ordered. For standard products, delivery within the Netherlands is €4.95 below €50 and free from €50; Belgium and Luxembourg are free from €75; Germany and France are free from €150. Surfboards have separate rates. See our Shipping & delivery page for all destinations and product groups. Your final shipping cost is shown at checkout.
You can return items within 30 days. Items must be unworn, clean and in their original condition. See our returns information for conditions and any return shipping costs.
The Patagonia Lightweight Insulated Fjord Flannel Shirt combines soft cotton flannel with recycled Thermogreen® insulation for lightweight warmth. In DEBN, it delivers a timeless outdoor look with everyday versatility. Wear it as a shirt or light jacket—responsibly made, Fair Trade Certified™, and designed for comfort across seasons.
Patagonia
Once Upon a Time in Ventura: The Birth of Patagonia Nestled along the rugged coastline of California and surrounded by Ventura’s stunning natural beauty, a visionary brand called Patagonia was born. Founded with a deep respect for nature and a fierce commitment to sustainability, Patagonia has grown into an iconic outdoor apparel company that truly stands apart. Today, we invite you to explore the inspiring story of Patagonia and why shopping their gear at Behind The Pines is a perfect way to express your passion for both style and the planet.