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.

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.

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.

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.

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.

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.

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.

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.

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.

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.