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Outdoor Research
Radar Pocket Cap

4.440860215053763 out of 5 stars
186 Reviews


Size Chart


Radar Pocket Cap

The 1.8 ounce Outdoor Research Radar Pocket Cap packs small enough to put in your pocket and protects your head from the sun with its UPF 50+ rated sun protection. Outdoor Research also included water-resistant and quick-drying technology in the headband to increase comfort and moisture management on the trail. Grab the Radar Pocket Cap to eliminate the chance of a sun-burned head on your next hike.


  • Hiker-friendly military cap for exposed trails
  • Lightweight and breathable fabric keeps your head cool
  • Moisture-wicking and quick-drying technology repels sweat
  • UPF 50+ sun protection keeps your scalp protected from burns
  • Folding brim and body can fit into your pocket and pack
  • Fitted band stays securely attached to head with a perfect fit
  • Item #ODR0228
100% Supplex (nylon)
yes, foldable
military cap
UPF Rating
Manufacturer Warranty

Overall Rating

4.5 based on 186 ratings

Review Summary

1 Stars - 6 reviews
2 Stars - 8 reviews
3 Stars - 14 reviews
4 Stars - 28 reviews
5 Stars - 130 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

What do you think about this product?


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4 out of 5 stars

May 27, 2024

Almost perfect

This hat is very light weight and comfortable and folds up easily and is very functional. It does not breat at all though. If there were a breathable option I would give it 5 stars.


Originally reviewed on

5 out of 5 stars

May 27, 2024

Light Weight

This xl fits perfectly and is light weight so will dry quickly.


Originally reviewed on

5 out of 5 stars

May 24, 2024

New Running/Hiking hat

I love the foldable bill. Great feature. I also love the small bill size. The hat is a great material and handles sweat well. After washing It shrinks up just a touch then stretches back out. I jazzed with my purchase.


Originally reviewed on

5 out of 5 stars

April 23, 2024

The Everything Hat

1. This hat does what it's supposed to do: it adds eye-cover from the sun. 2. The brim has a lower profile, rendering it less obtrusive than a lot of comparable ballcaps. 3. This is a stylish hat: I receive ongoing compliments whenever I wear it, it comes in a variety of colors, and it covers a bad-hair day with a great-hat day! 4. This hat is super lightweight and packable: It can fold up to fit in your pocket. 5. This hat is durable: I have had one for at least five years, worn it and washed it a ridiculous number of times, and while it's finally showing some signs of wear, I know it has at least a decade of use left in it. 6. Make sure you use a wash-and-dry cycle for it to fit properly.


Originally reviewed on

5 out of 5 stars

April 17, 2024

Great hat!

I've put it through the wringer
Size Bought:

Love Outdoor Research products. All are practical and built tough.

Big head
5 out of 5 stars

April 15, 2024

Most comfortable hat I've ever worn

Completely satisfied with this hat. Is lightweight, dries quickly and you can stuff it into your pocket when you're done


Originally reviewed on

4 out of 5 stars

March 13, 2024

Bring back the blue colour please

Its a great comfortable unique hat - I have two. But you need a bit of color in the mix!!


Originally reviewed on

3 out of 5 stars

January 14, 2024

Nice but small

I bought the XL and it is still too small for my head. Other than that is a nice hat and I have no complaints.


Originally reviewed on

5 out of 5 stars

October 21, 2023

Perfect hat for travel.

I love this hat. It is great for travel. I have a suggestion for it. Add a fold down eye mask inside front body. I wore it on a long flight, and pulled it down over my eyes, but needed more coverage. I feel silly wearing a typical eye mask.


Originally reviewed on

5 out of 5 stars

July 23, 2023

Excellent lightweight packable hat

[This review was collected as part of a promotion.] I Love this hat! It fits me perfectly,does everything I want, it's light weight, and dries quickly. Perfect

Just a guy

Originally reviewed on