You probably haven’t heard of “Plaidurday” – a holiday one Michigan man created in 2010 to celebrate his favorite style “and spread some cheer, because we’re all connected by a common thread” – but surely you’ve noticed that the ’90s grungewear staple is back in a big way.

It’s no wonder, because the flannel shirt is a cool-weather wardrobe staple that is always in style and easy to dress up or down.

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If you missed Plaidurday, observed on the first Friday in October, don’t worry – February 10 brings another chance to embrace the pattern with Flannel Shirt Day. Although flannel fabric, which has been around since the late 1600s, can be any color or pattern, the plaid flannel shirt is probably its most famous form.

In addition to its timelessness, plaid also checks several trend boxes, from ’90s nostalgia to pining for the great outdoors – plus, plaid flannel shirts are perfect for layering in transitional seasons like fall and spring.

Lauren Cocco, director of merchandising and design for name-brand and private-label supplier Vantage Apparel, sees workwear and outerwear styles infiltrating the corporate wardrobe.

“In general, there’s a move toward feeling more outdoors and doing more outdoors, so these types of pieces [flannel shirts and shackets] fit that movement,” says Cocco. “People are doing more to be in nature and to experience something or have a journey.”

Plaid can go anywhere, from hats to shoes, and this classic pattern can suit anyone from punks to princesses. Derived from the crisscrossed woven fabric of ancient Scotland, aka tartan, this versatile pattern family has endured for years as a way to liven up sturdy workwear, but it’s also a favorite of luxury brands like Barbour and Burberry.

And anyone can design their own tartan and list it with the Register of Tartans in the U.K. In fact, many schools have their own patterns perfect for creating custom shirts, scarves and other promo items.

Today, plaid patterns vary more than ever, but you can’t go wrong with the classic Black Watch or buffalo check. Whether it’s shackets or scarves, here are some promo pieces to help you take advantage of plaid’s enduring popularity:

man wearing royal blue and black plaid flannel shirt

The Port Authority Plaid Flannel Shirt offers both classic style and casual comfort, with back shoulder pleats for ease of movement. Made of a cotton/poly blend, the shirt is lightweight for layering and brushed for softness. casual comfort. Available in four colors (shown in royal/black) and sizes XS-4X.

SanMar / PPAI 110788, S16 /

woman wearing dark gray plaid flannel shirt with logo

For those who prefer a more fitted feminine silhouette, the 100% cotton Women’s Brewer Flannel features single-needle tailoring and bust darts. Available in three colors (charcoal shown) and sizes XS-3X. Matching men’s style available.

Vantage Apparel / PPAI 113235, S10 /

man wearing red and black buffalo check shirt jacket shacket

The Burnside Adult Quilted Flannel Jacket, a cotton/poly flannel shell with a quilted lining for warmth, includes two chest pockets with hook-and-loop flaps and two side pockets. Available in four colors, including red buffalo check (shown) and sizes S-3X.

alphabroder|Prime Line / PPAI 156993, S16 /

six assorted plaid cashmere scarves with gift box

Recipients will appreciate the luxurious feel of this 100% pure Cashmere Scarf, which comes with a decorative gift box. Each scarf measures 5.5 x 1.5 feet, and the price includes embroidery up to 10,000 stitches. Available in eight solid colors and six plaids (shown), including Black Watch.

Apollo Group / PPAI 194259, S4 /

tan plaid ivy cap with green accent stripes

Make it a double nod to Celtic Isles style with a Fashion Plaid Ivy Cap, a lid favored by celebrities from David Beckham to LL Cool J. Made of a poly/rayon blend, this cap features a mesh lining and moisture-wicking sweatband for comfort. Available in brown plaid (shown) or red plaid and sizes S (57cm) to XL (60cm).

Mega Cap / PPAI 223859, S5 /

red and black buffalo check knit ski cap with oversized pom

Poms are popular, and what better way to top a winter outfit than this classic buffalo check Northwoods Pom Beanie With Cuff? Made of 100% acrylic for softness and warmth, it’s available in blue, white or red (shown) with a generous 4x2-inch imprint area.

Hit Promotional Products / PPAI 113910, S13 /

half-moon duffel bag in navy blue and white plaid with tan canvas handles and strap

Carry gear in style with the Medium Retro Duffle, made in the USA and available in six different plaid patterns with canvas trim and linings. The bag measures 19 x 10.5 x 6.5 inches for almost 1,300 square inches of carrying capacity. Embossed leather patch or up to 5,000 stitches of embroidery included in the price.

Cross Canvas / PPAI 111759, S5 /

man wearing green and blue Black Watch plaid flannel pajama pants

Get cozy with these Double-Brushed Cotton Harley Flannel Pants, perfect for sleepwear, lazy weekends and more. These 100% cotton flannel pants will keep you warm and comfortable with double-brushed softness and a folded waistband with inner drawcord, hidden button-close fly and pockets. Available in seven plaids (shown in Black Watch) and sizes XXS-3X.

Boxercraft / PPAI 159420, S5 /