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The 10 Coziest Men’s Flannel Pajamas to Keep You Warm This Winter

Our top picks for the best jammies to sleep and lounge in.

flannel pajamas for men
Staff, Courtesy of LL Bean

Flannel pajamas are a must for staying warm on chilly winter nights—and for lounging in after breakfast with a second mug of coffee. Despite their luxurious feel, most flannel pajama sets are relatively inexpensive, regardless of whether you prefer a classic matching set, bottoms only, or a one-piece union jumpsuit.

The highest-quality flannel is 100 percent cotton, double-brushed inside and out to get softer with every wash, and made using yarn-dyed fabric to prevent fading. Deep side-seam pockets and elastic drawstring waistbands are nice-to-have features, and details like notched collars and contrast piping add polish to pajama sets. Read on for a selection of our favorite cozy men's flannel pajamas that are well worth considering for gifts or as a treat for yourself.

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Our Value Pick
Classical Men’s Flannel Pajamas
Casual Trends
$39.99 (50% off)

Key Specs

  • Material: 100 percent cotton
  • Sizes: Small to 3X-Large Big
  • Color/print options: 4

This two-piece men's flannel pajama set, which comes in both standard and big and tall sizes, is $80 at full price and offers excellent value. It's made of 100 percent cotton and has a full, wide cut for ultimate sleeping and lounging comfort.

The set features a four-button shirt that closes all the way up to the collar, but there's an opening at the bottom so you won't get twisted in it if you roll over in your sleep. The pants have an adjustable button on the elastic waistband, ensuring that you can stay comfy even after a big meal.

Our Midpriced Pick
Twin Boat Mens Pajamas Set
Noble Mount

Key Specs

  • Material: 100 percent cotton
  • Sizes: Medium to XX-Large
  • Color/print options: 12

This men's flannel pajama set is a customer favorite, with more than 700 reviewers giving it an average 4.6 stars. It's made of 100 percent double-brushed, yarn-dyed flannel that won't fade and gets softer over time.

The button-down shirt features a notched color with contrast piping, and the pants have an elastic waistband and drawstring, along with a button-fly front closure and two side-seam pockets. The set comes in a dozen plaid prints in soft hues and energetic color combos alike.

Our Premium Pick
Men’s Flannel Pajamas With Piping
Flannel People

Key Specs

  • Material: 100 percent cotton flannel
  • Sizes: Medium to XX-Large
  • Color/print options: 9

This 100 percent cotton, double-brushed flannel premium men's pajama set has a polished look and is super soft both inside and out. It features a button-down top with a notched collar, finished with elegant contrast piping. The pants feature a drawstring elastic waistband, plus two side-seam pockets that are deep enough to carry keys and a smartphone. 

For those seeking variety, this set is available in a choice of nine attractive solids and plaids.

Best for Folks Who Run Hot
Men’s Flannel Pajamas

Key Specs

  • Material: 100 percent brushed flannel cotton
  • Sizes: Small to XX-Large
  • Color/print options: 6

PajamaGram is well-known for making quality pajamas for adults and kids alike, and this flannel pajama set for men gets high marks from customers, with an average 4.6 stars from more than 400 reviewers.

The two-piece set is made using 100 percent brushed flannel cotton that's yarn-dyed so colors won't fade. It features full-length pants that have a relaxed fit, with an elastic drawstring waistband and a long button-down shirt with a patch pocket. The fabric also boasts superior breathability, making this a good fit for anyone who overheats easily.

These jammies come in several plaids and a fun, winter-themed print, and they tend to run large, so consider ordering one size down.

Best Mixed Top and Bottom Set
Men’s Flannel Pajama Pant Set
Fruit of the Loom

Key Specs

  • Material: 60 percent cotton, 40 percent polyester
  • Sizes: Small to 5X-Large
  • Color/print options: 2

Not everyone loves sleeping in classic button-down flannel pajamas. If you prefer a more relaxed set that you can lounge in all weekend and get away with wearing to walk the dog, this option is your best bet. It features a waffle crewneck shirt paired with flannel bottoms, which have an elastic drawstring waistband, side pockets, an a one-button closure.

Best Short and Tall Styles
Scotch Plaid Men’s Flannel Pajamas

Key Specs

  • Material: 100 percent cotton
  • Sizes: Small to XXL
  • Color/print options: 8

L.L. Bean's Portuguese flannel pajamas are as cozy as they come, brushed on both sides and yarn-dyed to keep their tartan colors vivid. The flannel is woven with long cotton fibers, which makes the fabric more durable. 

There's a chest pocket on the shirt and the pants have an elastic waistband with a drawstring, fly, and pockets. The sizing covers a ton of ground, with regular-, short-, and tall-length pants and sizes ranging from small to XXX-Large.

Best PJ Pants
Yarn-Dyed Woven Men’s Flannel Pajama Pant
Fruit of the Loom

Key Specs

  • Material: 100 percent cotton
  • Sizes: Small to 5X-Large
  • Color/print options: 11

If you're looking for a relatively inexpensive, yet still cozy, — and this option fits the bill. Made by Fruit of the Loom, they're inexpensive and good quality, featuring 100 percent cotton yarn-dyed flannel, an elastic waistband with a drawstring, and a button fly, plus two deep side-seam pockets.

Best for Big and Tall Sizes
Big and Tall Men’s Flannel Pajamas
The KingSize Store

Key Specs

  • Material: 100 percent cotton
  • Sizes: Large Big Tall to 7X-Large Big
  • Color/print options: 6

These men's flannel pajamas are from KingSize, a company that's been around since 1920 and specializes in clothes for big and tall men. The set is made of 100 percent cotton and features a relaxed fit, with a notched collar, chest pocket, and pants with a hidden drawstring waist and a button closure. They come in six plaid prints, including red buffalo check.

Best Nightshirt
Men’s Flannel Pajama Nightshirt

Key Specs

  • Material: 100 percent cotton
  • Sizes: Small to XX-Large
  • Color/print options: 10

If you don't have flannel nightshirt in your pajama drawer, we encourage you to give this one a try. It's warm, but with an oversized cut you won't get too hot wearing it. 

It hits below the knee and features a button-front placket finished with piping and chest pocket, plus there are side slits at the hem so it's comfortable to move in.

Best One-Piece
Hooded One-Piece Men’s Flannel Pajama Jumpsuit
Ashford & Brooks

Key Specs

  • Material: 64 percent cotton, 36 percent polyester
  • Sizes: Small to XX-Large
  • Color/print options: 5

This one-piece flannel jumpsuit zips up the front and features a hood and an extra large front pocket. 

You'll stay super toasty wearing it, with long sleeves and ribbed cuffs and ankles to keep body heat from escaping. Its cotton-polyester blend fabric is durable and won't shrink if you wash in cold and tumble dry. 

The jumpsuit comes in five plaid color options.

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