Men's Insulated Flannel Shirts

Men's insulated flannel shirts bring together classic outdoor style and dependable comfort for cooler days. Designed to keep you warm when temperatures dip, these shirts are as versatile as they are timeless—ideal for everything from crisp morning walks to evenings around the campfire. With a focus on quality and lasting value, each shirt is crafted to handle everyday wear while providing that familiar, easygoing feel you love. Whether layered or worn on its own, a men's insulated flannel shirt is an essential addition to any outdoor wardrobe.

Sort by:

Filter & Sort

476 Items

Men's Chamois Shirt, Traditional Fit

A navy, heavyweight chamois flannel shirt, perfect as a light jacket or essential layering piece.

Pros: Nice colors Great quality Warmth Versatile use Comfortable fit
Men's Sherpa-Lined Scotch Plaid Shirt, Slightly Fitted

A slightly fitted, ultrawarm plaid shirt with Sherpa fleece lining, made from 100% cotton flannel.

Pros: Soft and cozy Versatile design Great warmth High-quality construction Comfortable fit
Men's Scotch Plaid Flannel Shirt, Slightly Fitted

A slightly fitted flannel shirt in authentic Scottish tartans, crafted from high-quality Portuguese cotton.

Pros: Quality construction Perfect fit Softness Warmth Comfortable
Men's Katahdin Iron Works® Hooded Sweatshirt, Flannel-Lined

A flannel-lined, heavyweight hooded sweatshirt with a cotton blend, offering warmth and durability in ink black.

Pros: High quality Durable and sturdy Stylish design Warm and cozy Comfortable fit
Men's Maine Guide Zip-Front Jac-Shirt with PrimaLoft

A warm, windproof wool/nylon jac-shirt with PrimaLoft Silver lining, ideal for layering in cold weather.

Pros: Very warm Good fit Comfortable to wear
Men's Scotch Plaid Flannel Shirt, Traditional Fit

A soft, durable flannel shirt in authentic indigo tartan, made from high-quality Portuguese cotton.

Pros: Fits well Good quality Softness Warmth Comfortable
Men's Wicked Good Flannel Shirt, Traditional Fit, Houndstooth

A charcoal heather flannel shirt with sheepskin shearling lining, offering superior softness and traditional fit.

Pros: Great quality Warm and cozy Excellent fit Comfortable Superior softness
Men's Fleece-Lined Flannel Shirt, Traditional Fit

A supersoft coal plaid shirt with a 100% cotton flannel exterior and cozy polyester fleece lining.

Pros: Perfect fit Comfort Warmth Softness True to size
Men's Katahdin Performance Flannel Shirt-Jacket, Hi-Pile Fleece-Lined Plaid
Price was from: $130 now: $109.99

A multi-color wool blend flannel shirt-jacket with ultrasoft hi-pile fleece lining for extra warmth.

Pros: High quality Attractive colors and design Soft and comfortable Warm and cozy Durable and sturdy fabric
Men's Katahdin Performance Flannel Shirt-Jacket, Hi-Pile Fleece-Lined Solid
Price was from: $130 now: $109.99

A red wool-blend flannel shirt-jacket lined with ultrasoft hi-pile fleece for exceptional warmth and comfort.
Men's Quilted Scotch Plaid Flannel Shirt Jac
Price was from: $120 now: $99.99

A gray quilted flannel shirt jacket made from Portuguese cotton with polyester insulation for cozy warmth.
Men's Scotch Plaid Flannel Shirt, Slim Fit

An indigo tartan slim-fit flannel shirt made from high-quality Portuguese cotton for lasting comfort and style.

Pros: Perfect slim fit Durable and well-constructed Rich and attractive colors Comfortable and soft feel High-quality cotton
Men's Katahdin Performance Flannel Shirt, Slightly Fitted

A multi-color plaid flannel shirt in a quick-drying, water-repellent polyester/wool blend for outdoor performance.

Pros: Durable and well made Warm and comfortable Easy care and quick drying Convenient snap closures Stylish appearance
Men's Chamois Shirt, Slightly Fitted
Price was from: $79.95 now: $59.99

A navy, slightly fitted men's shirt made from 7.5 oz. Portuguese cotton flannel for exceptional warmth.

Pros: Well-constructed seams Exceptional warmth Soft and comfortable High-quality fabric Good fit

Men's Insulated Flannel Shirts

When the days grow shorter and the chill of December settles in, there’s nothing quite like reaching for a men’s insulated flannel shirt. These shirts are a steadfast staple for anyone who values warmth, comfort, and timeless outdoor style. Whether you’re stacking firewood in the backyard, heading out for a morning walk with the dog, or gathering around a crackling fire with friends and family, insulated flannel shirts offer a cozy layer that’s easy to throw on and hard to take off. The combination of classic flannel softness and a layer of lightweight insulation means you get the best of both worlds—breathable comfort and dependable warmth. These shirts are designed to be versatile, working just as well over a favorite tee as they do under a heavier jacket for those especially brisk days. The appeal of an l.l. bean insulated flannel is in its ability to keep you comfortable without sacrificing movement or adding unnecessary bulk, making it a practical choice for everyday wear throughout the colder months.

Insulated flannel shirts make thoughtful gifts, especially for those who spend a lot of time outdoors or simply appreciate a layer that transitions easily from work to weekend. They’re often chosen by folks who enjoy everything from hiking to tailgating, or even just relaxing on the porch with a hot cup of coffee. The durability and lasting value of llbean insulated flannel shirts mean they’ll be reaching for it season after season, and the timeless style ensures it never looks out of place. When considering which insulated flannel is right for you or someone on your gift list, look for details that enhance comfort and usability—features like easy-to-use snaps or sturdy buttons, roomy pockets for stashing gloves or small essentials, and a fit that allows for easy layering. The right insulated flannel should feel like an old friend from the first wear, ready for everything from autumn yardwork to winter adventures.

For those who appreciate a classic look with a bit of heritage, exploring styles with a vintage-inspired pattern or color can add a touch of nostalgia to any winter wardrobe. If you’re drawn to the look and feel of time-honored flannels, you might enjoy browsing our Mens Vintage Flannels collection, where you’ll find shirts that capture the spirit of the great outdoors with every detail. Whether you’re shopping for yourself or searching for the perfect gift, insulated flannel shirts offer a reliable and comfortable solution for staying warm when temperatures drop. They’re a tried-and-true favorite for good reason—ready to take on daily chores, weekend adventures, or simply the quiet moments spent enjoying the beauty of the season.