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Outdoor Research
Oasis Sun Hat - Women's

4.780821917808219 out of 5 stars
146 Reviews
$31.46 - $44.95
Up to 30% off
Color:Moondust

Sale

Size:

Size Chart

Quantity


Why We Like The Oasis Sun Hat

Whether you're on the sunny beach or hanging out in your garden on a summer afternoon, rely on the Outdoor Research Women's Oasis Sun Hat for cool shade. The wide brim casts a large shadow to protect your face and skin from the sun's harmful rays while the adjustable chin strap helps this hat fit you like a glove. With a foam-reinforced brim, this hat floats so you don't have to worry about losing this hat if you decide to venture into the water, and its lightweight design wicks moisture and dries quickly so you'll be comfortable both in the garden and on the beach.


Details

  • A stylish yet technical hat for sunny adventures
  • Wide-brim protection casts a larger shadow
  • Foam-stiffened brim floats in water
  • Drawcord adjustment lets you customize the fit
  • Removable chin cord does exactly what you'd expect it would
  • Item #ODR00OS
Material
[body] 86% nylon, 14% polyester ripstop, [under brim] Supplex (nylon)
Adjustability
fitted, chin strap
Brim
wide
Style
sun hat
Claimed Weight
3.4oz
Manufacturer Warranty
lifetime

What do you think about this product?

Overall Rating

5 based on 146 ratings

Review Summary

1 Stars - 2 reviews
2 Stars - 2 reviews
3 Stars - 5 reviews
4 Stars - 8 reviews
5 Stars - 129 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

Here's what customers have to say

This sun hat receives overwhelmingly positive reviews. Customers praise its excellent sun protection, with the wide brim shielding the face, neck, and shoulders. The hat is described as lightweight, breathable, and comfortable, even in hot and humid weather. Many wear it regularly for outdoor activities. Helpful features include the adjustable chin strap and headband, which keep the hat secure in windy conditions. Customers also appreciate the variety of color options. Overall, this appears to be a high-quality, versatile sun hat that provides great sun protection while remaining comfortable and stylish.

AI-generated from the text of customer reviews.

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4 out of 5 stars

August 9, 2025

Wish it was ventilated

I’ve purchased this hat twice in recent years, mainly because of the super-wide brim and excellent price point. I love that OR offers their hats in a variety of sizes, too, especially for women as we are often lacking for options in that area being stuck with “one size.” I’m a tall lady with a larger head and find that the large or XL in OR hats fits well. An improvement I’d love to see with the sun hats is adding ventilation on the crown. I’ve had the Sunbriolet before and it has some but I still find it’s not enough for those of us who live in blistering summer temps. I’d love to see a full brim hat with a fully ventilated top offered in pretty colours.

Caroline W.
outdoorresearch.com

Originally reviewed on outdoorresearch.com

3 out of 5 stars

July 25, 2025

Not quite what I had hoped for but still nice.

The hat is comfortable, fits great. I have a pretty big head and the medium fits without squeezing. the brim seems a little backwards. It doesn't cover my face as I had hoped. my nose, cheeks, and chin are left exposed. I've turned it around and worn it backwards a few times. The comfort is great! I am hopeful they can correct the brim expansion for a little better coverage. the string is a must have for the wind.

Michele's many hats
outdoorresearch.com

Originally reviewed on outdoorresearch.com

5 out of 5 stars

July 4, 2025

best sun hat

bought this hat years ago and the only reason i bought another one is i gave the old one to my mom and she uses it for gardening. love the longer brim in the back, great for being in direct overhead sun. so so worth the money

lulubooboo29
1 out of 5 stars

June 2, 2025

Make an XS Oasis Sun hat with a proper tensioner

Am a small woman so ordered a Small but really need an XS which Outdoor Research does not make. Not happy with the fit because when I tighten the ‘draw string’ elastic the ‘stopper’ no longer has a spring to stop it slipping so have to tie the elastic in a knot. The way the hat is designed, the elastic cuts into my forehead and leaves a mark when it is tight enough to stay in position on my head. Have an older Large Sunbriolet that was my husband’s: it is a better fit and much better quality hat. Needless to say I’m disappointed and would return it if I hadn’t already worn it.

user image
JPca
outdoorresearch.com

Originally reviewed on outdoorresearch.com

5 out of 5 stars

April 1, 2025

Great sun hat for a small head!

Size Bought:
Small

Thank you for making a hat that fits my small head! And I think it won't flap too much in the wind.

TheodoraHiker
5 out of 5 stars

December 1, 2024

My friend loves it

Familiarity:
I've used it once or twice and have initial impressions

I gifted this to a friend who loves purple and also enjoys being out in the sun but needs constant protection from it. She loves the hat especially because she was able to adjust the fit and it provides her excellent sun protection. while also being stylish in her favorite color.

StefanieW
5 out of 5 stars

November 15, 2024

Great hat!

Great hat! Great color! This is the second one that I have bought.

LuluBird
outdoorresearch.com

Originally reviewed on outdoorresearch.com

5 out of 5 stars

October 21, 2024

Great Sun hat

It's a great sun hat that offers a wide enough brim to protect from the sun, but not so wide that it gets in the way. Great purchase!

Joanne S
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

September 16, 2024

Absolutely fit for purpose!

Familiarity:
I've used it several times
Size Bought:
Small

I just bought this hat, but have worn it a few times already. I love the brim size which is wide but not over-done, with the back a bit wider to keep sun off the neck. Perfect! I got a small because most hats are too big for me. This one was just right. It's light-weight and breathable, great for summer hikes/walks. I love the quality of the materials and the sale price made it all a perfect package!

Sun-shy Hiker
5 out of 5 stars

September 6, 2024

Provides excellent coverage

Familiarity:
I've used it several times
Size Bought:
Small

I was very happy to see that this was offered in a small size since I have a small head and most hats are very sloppy. The hat fits me perfectly and is very comfortable to wear. No itchy spots or tags. The hat provides excellent coverage and exceeded my expectation. I bought white, so it also remains cool.

SusanSLO

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