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Flannel Shirts

THE FLANNEL COLLECTION

Flannel Shirts

Built for Canadian winters. Brushed for warmth, woven for life.

Brushed cotton, soft on both sidesHeavyweight weave, warm without bulkRelaxed fit with room to layerGets softer with every wash

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16 results
Dromore Floral Flannel ShirtNavy and White
On sale
Regular price $56.00 $77.00
Ballynahinch Flannel ShirtNavy and Ginger
On sale
Regular price $56.00 $77.00
Nijmegan Flannel ShirtGrey Charcoal and Toffee
On sale
Regular price $56.00 $77.00
Prague Brushed Diagonal Twill ShirtPine Grove
On sale
Regular price $56.00 $77.00
Greenan Brushed Diagonal Twill ShirtNavy
On sale
Regular price $56.00 $77.00
Sketrick Brushed Diagonal Twill ShirtSky Blue
On sale
Regular price $56.00 $77.00
Tara Brushed Diagonal Twill ShirtCharcoal
On sale
Regular price $56.00 $77.00
Banbridge Flannel ShirtGrey and Mahogany
On sale
Regular price $56.00 $77.00
Stockholm Flannel ShirtNavy and Hunter Green
On sale
Regular price $56.00 $77.00
Mahee Brushed Diagonal Twill ShirtToffee
On sale
Regular price $56.00 $77.00
Lancaster Brushed Diagonal Twill ShirtHarbor Grey
On sale
Regular price $56.00 $77.00
Rathlin Flannel ShirtNavy and Brown
On sale
Regular price $56.00 $77.00
Marseilles Flannel ShirtAirforce Blue and Navy
On sale
Regular price $56.00 $77.00

We brush our Flannel Shirts for extra softness and we Yarn Dye them to ensure they keep their vibrant colour for years to come. Designed specifically to keep you warm during the Fall & Winter months, Flannel Shirts are a wardrobe staple during the coldest months of the year. 

We’ve crafted our Flannel Shirts with extra-soft brushed cotton and yarn-dyed fabric to ensure lasting colour and comfort season after season. Designed to keep you warm through the Fall and Winter months, these men’s flannel shirts blend classic style with durability, the perfect casual wardrobe staple for layering, lounging, or braving the cold in effortless style.

Collections of Long Sleeve Shirts include: Stretch Oxfords, 100% Cotton Poplins, Stretch Poplins, Easy-Care Oxfords,  Flannel Shirts , Brushed Diagonal Twills, Knitted Piques, Linen Blend Shirts, Polyester Shirts, Melange Flannel Shirts, and our 100% Cotton BasketWeave Shirts

Frequently Asked Questions

What is a flannel shirt?

A flannel shirt is a soft, warm button-up shirt made from woven cotton or wool fabric with a brushed finish for extra comfort. It’s known for its cozy texture and versatility, often seen in plaid or checkered patterns ideal for casual or outdoor wear.

What are flannel shirts made of?

Most flannel shirts are made from 100% cotton, though some include wool or synthetic blends for added insulation. Rue Saint Patrick’s men’s flannel shirts are made with soft, breathable cotton that feels comfortable year-round while maintaining durability and structure.

How do you wear a flannel shirt?

Flannel shirts are incredibly versatile. Wear yours buttoned-up for a smart casual men’s dress shirt look, or leave it open over a t-shirt for a laid-back, streetwear-style flannel outfit. They pair perfectly with denim, chinos, or layered under jackets during cooler seasons.

Can you iron flannel shirts?

Yes, but use a low heat setting and iron the shirt inside out to protect the brushed fabric. Because our flannels are Easy-Care, they resist wrinkles and often only need light steaming or air drying to look crisp.

Are flannel shirts business casual?

In many modern workplaces, flannel shirts fit comfortably into the business casual dress code, especially in cooler months. Choose darker tones or solid-color flannels and pair them with chinos or wool trousers for a polished yet relaxed office look.

Are flannel shirts warm?

Yes, flannel shirts are known for their warmth. The brushed texture of flannel cloth traps heat while remaining breathable, making them perfect for fall and winter wear without overheating indoors.

Are flannel shirts only for winter?

Not at all. Lightweight flannel shirts are ideal for layering in spring and autumn, offering comfort in varying temperatures. Rue Saint Patrick’s collection includes both warm winter flannel wear and lighter styles for transitional seasons.

What makes Rue Saint Patrick’s flannel shirts different?

Our men’s flannel shirts combine classic tartan and plaid styles with refined tailoring and a modern silhouette. Each design is made for comfort, movement, and easy maintenance, offering a rugged yet elevated take on a timeless essential.

How should a flannel shirt fit?

A well-fitted flannel shirt should sit comfortably across the shoulders with room to move. For a slim-fit look, wear it tucked in under a jacket; for a relaxed layering piece, go slightly oversized to style it open over tees or sweaters.

Can flannel shirts be worn all year round?

Yes. With their breathable cotton weave, flannel shirts can be worn year-round. They’re perfect for layering in cooler months and as lightweight outerwear during breezy summer evenings, an all-season casual shirt option every man should own.