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Outdoor Research
Frostline Hat - Men's

3.85 out of 5 stars
60 Reviews

Out of Stock

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Frostline Hat



Details

  • A toasty warm hat for extreme winter conditions
  • 30D Pertex fabric is water-resistant and lightweight
  • Posh Pile fleece provides a soft feel and low-bulk warmth
  • Zip-out facemask for an extra line of defense against the storm
  • Fleece-lined ear flaps add a boost of warmth
  • Item #ODR00C0

This item is made with PFAS chemicals and cannot be shipped to some states. View Shipping Policy

Material
Pertex Endurance (30D nylon), [lining] 100% polyester fleece, [face mask] Thermodynamic (nylon, polyester)
Adjustability
fitted
Style
winter cap
Manufacturer Warranty
lifetime

What do you think about this product?

Overall Rating

4 based on 60 ratings

Review Summary

1 Stars - 7 reviews
2 Stars - 3 reviews
3 Stars - 8 reviews
4 Stars - 16 reviews
5 Stars - 26 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

Customer Images

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4 out of 5 stars

March 11, 2025

The hat is very warm and the ear and face coverings provide excellent warmth for their thickness. My only problem with this hat is that the velcro strips on the earflaps stick to most of my jackets and sweaters, which can be pretty annoying (and potentially damaging to the jackets and sweaters). There may be a way to avoid that issue, and if that is the case, then I'd raise my rating to 5 stars.

James B
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

March 13, 2024

A perfect hat

I've had dozens of hats over the decades, and this is a perfect one when I'm generating some heat from exercise (hiking, skiing). (A warmer hat's needed for standing around in cold weather.)

Dan
outdoorresearch.com

Originally reviewed on outdoorresearch.com

5 out of 5 stars

January 7, 2024

Warmth with breathability when needed

I have a wool hat by OR and I find that hat to be way to warm. This trapper hat is the perfect balance of warmth and breathability. The built in face shield is genius. The Velcro chin straps are a bit lacking for securing but an easy fix is better Velcro. The ear flaps allow the right amount of heat to be trapped to keep you warm without out being too hot.

mike S
ExpertVoice.com

Originally reviewed on ExpertVoice.com

1 out of 5 stars

December 3, 2023

Not a frost line

It is a very technically designed product therefore it appears difficult to wear it for theater and dinner evenings. So should it be used 'outdoor'? All right: but then it is too thin: chill and wind easily pass through it and head freezes. Parka's hoodie over it, is necessary to reach a basic comfort. In itself is a good product; only be aware it does not carry itself alone, the burdens winter let you experience, despite the name inducing to believe.

Simone
outdoorresearch.com

Originally reviewed on outdoorresearch.com

4 out of 5 stars

November 1, 2023

Only thing missing is a snap in addition to/in place of velcro chin strap

I love this hat and the various ways you can use it. The concealable face mask was the winning factor for me as I knew I would be sleeping outside in the winter but didn't want to breathe into my sleeping bag at night. The only thing I found myself wishing for was a snap/button to keep chin strap in place in either position (over the ears or under the chin.) The velcro was not very grabby and quickly got "clogged up" with other fine fibers from other layers I had on. If there were a snap or other form of latch it would have stayed in place easier. Still, I would easily buy this hat again because the face mask and overall warmth/water resistance/versatility.

Emily J
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

June 26, 2023

Awesome hat

I used this item combined with smith snow goggles in the dead of night on Lake Superior in February, the combo provided a perfect seal allowing none of the icy wind to reach my skin. The wind blocking mask is probably the sleekest feature to a hat I've seen in my entire life. Props to Outdoor Research for this one

Dylan M
ExpertVoice.com

Originally reviewed on ExpertVoice.com

3 out of 5 stars

April 4, 2023

If the Velcro is improved

I need it to close snuggly under my chin and it does not.

Jay
outdoorresearch.com

Originally reviewed on outdoorresearch.com

2 out of 5 stars

March 15, 2023

Meh...

I really wish I loved this but the ear flaps are too small and the Velcro rarely stays attached and usually requires 2 hands to attach... tough to do while holding onto a dog sled. The fit is decent and the cinch on the back is nice. I was expecting a bit more functionality for the money and from OR

M2
outdoorresearch.com

Originally reviewed on outdoorresearch.com

4 out of 5 stars

March 13, 2023

Love everything but the sizing.

I love the design, features, and construction of this hat. I'm in Alaska and find it has become my go-to hat when I'm headed outside for the day. It adjusts for a wide variety of conditions. The reason it doesn't max out the ratings for me is a sizing issue. I normally wear a size 7 3/4 hat. The largest size just fits but is snugger than I'd prefer. If it were just a slightly looser fit it would be a hard hat to beat for my Alaska winter days.

Greg K
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

February 4, 2023

I HATE cold ears!

This hat is the best! I hate cold ears and few hats really address warmth, water and wind resistance for ears. This hat does all three. I got an XL so I can fit a think merino liner under in extreme cold. The hat converts to a "cap" well. On the mountain this Elmer Fudd hat is wicked cool!

Terry G
ExpertVoice.com

Originally reviewed on ExpertVoice.com

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