• The Millie Kromer Cap
  • The Millie Kromer Cap

The Millie Kromer Cap

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(21 reviews) Write a Review
The Millie Kromer Cap
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It took serious engineering to get the perfect hat compatible with hair styles that need space to cascade. The Millie Kromer - named for Stormy's niece Millie, who traveled by train to deliver materials between Kaukauna and Milwaukee - gives your pony tail room to swish and sway while still providing pulldown earbands. Genius.



  • 23-25 oz. 80/20 wool/nylon blend
  • 100% cotton flannel lining
  • Six-panel crown construction
  • Pull-down earband
  • Hole for ponytail
  • Made in the USA with globally sourced materials
  • Dry clean only
  • Lifetime Warranty

Cap Sizing

To get your size, measure comfortably around your head where your cap will sit, with a tape measure. Take that number in inches, divide by 3.14 (pi) and round up to the nearest eighth. This is your cap size. See the chart for size conversions. You can also print out our hat sizer, click here.

7 ⅛ is the most common women's size
Hat Size
20 ⅜
6 ½
20 ¾
6 ⅝
21 ⅛
6 ¾
21 ½
6 ⅞
21 ⅞
22 ¼
7 ⅛
22 ⅝
7 ¼
7 ⅜
23 ½
7 ½
23 ⅞
7 ⅝
24 ¼
7 ¾
24 ⅝
7 ⅞
Staying warm with your stormy kromer

How to use the earband

Listen up! You know how you cup your ears in a maelstrom of noise trying to hear someone ahead? How you make little finger pockets around your lobes to catch all the sound waves and block what’s behind? Go ahead. Try it now. In that position, you're basically poised to pull down a Stormy Kromer earband with ease.


Product Reviews


Posted by AJ on Mar 22nd 2019

I LOVE my new all black Millie Kromer!! I believe I have about 10 Stormys...you might say I’m a fan!!!


Posted by Tim Hayden on Mar 8th 2019

I have two Kromers and I wanted one for my wife so the Millie kromer was the perfect lid. Kromers are great quality and look great! I ordered the lid for my wife on a Friday and it arrived 2 days later. Thank you. She looks great in her Millie!


Posted by Kari on Feb 25th 2019

I LOVE my Millie Kromer hat. It's so comfortable and warm that often I forget that I have it on.


Posted by Angela on Feb 25th 2019

Super cute
Well made


Posted by Monica Peach on Mar 23rd 2018

I am so glad you guys started making pony tail holes in the back of your caps. It NEVER fails when I wear any Kromer, I inevitably get a compliment. They are well crafted and worth the price. Thanks for making a product that offers style and comfort!


Posted by Jennifer on Mar 22nd 2018

Love this hat! Thanks for creating a hat you can wear a pony tail with. Very comfortable and high quality. Exactly what I have been looking for!


Posted on Jan 23rd 2018

The Millie makes wearing a hat with long hair so much easier. Super comfortable.


Posted by Doctor Deb on Jan 17th 2018

This is my 3rd Kromer Cap and my favorite. The ponytail hole is great allowing me to keep my hair neatly out of the way while fitting comfortably on my head. It fits true to size measurements and as another reviewer mentioned, it fits quite well with medium fine hair. I used to swear by Wrap-around ear muffs or head bands but this really makes a difference in warmth covering all but the bottom of my ears. Perfect for winter activities and shoveling in these recent cold temperatures. I opted for the solid black as it goes with everything. Have been stopped in stores asking where I got my cute Cap. I would not hesitate to purchase again from Stormy Kromer and highly recommend this hat.


Posted by Kelly Whitman on Jan 13th 2018

I was disappointed the material used to make the Millie I received for Christmas was thinner than my husband’s Stormy Kromer. As a rural carrier I realized it was thinner while working during the recent cold snap. My right ear was getting cold while delivering mail even though the ear flap was in place. This didn’t happen when I had borrowed my husband’s hat. I would have kept using his hat except I wished it had the opening for a pony tail.

Hi Kelly - we use the same weight wool for the Original Caps and Millie Caps (23-25 oz.). Was your husband's cap insulated? Please feel free to call us at 888-455-2253 to discuss further.


Posted by Rachel on Jan 9th 2018

I got this because I my job requires me to go outside all day long. I already own a Petal Pusher, but I like to wear my hair up at work. The Mille fits the need perfectly! I can pull my thick hair through the opening easily and the "Kroner flaps" can still do their job. Since receiving it I have gotten many compliments on it. The material seems a little thinner but my head stays just as warm as in my other hat.

The Adventure Continues with Stormy Kromer

Legendary Style

When you’ve been around as long as we have, you’re bound to see new trends, new technology, new everything. Yet here we are, pretty much the same as we were a hundred years ago. We’re all for innovation, sure, but we also know what works for us. We believe in what we do and still wake up every morning excited to do it. So let the wheels of progress clamor onward in pursuit of perfection. We found it a century ago. And when you get it right the first time, everything else is details. Lucky for us, passion and pride never go out of style.

Lifetime Warranty

They say that when you own a Stormy Kromer, no other cap will ever satisfy your taste for comfort or quality. And we believe that’s true too, so we offer what other clothing manufacturers might consider a little crazy. Learn more here.

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