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  • Treated with EPA-registered Insect Shield® to help repel mosquitoes, ticks and other biting insects
  • Insect Shield® is effective through 70 washes
  • SolarShield™ Supplex® nylon fabric provides UPF 30 protection against harmful solar rays
  • Headband is soft next to skin and helps manage moisture
  • Foam-stiffened brim shades your face and ears, and it floats in water
  • Mesh side panels add ventilation
  • Outdoor Research Sentinel Brim hat includes a removable chin cord with cordlock to secure the hat in high winds

Please note: Insect Shield® products cannot be shipped to addresses in Canada.

View all Outdoor Research Men's Sun Hats

REI membership


Best Use Multisport
Hat Style Sun Hat
Fabric Nylon
Lining Fabric None
Sun-Protective Fabric Yes
UPF Rating 30
Moisture Wicking Yes
Quick Drying Yes
Width Of Brim Unavailable
Gender Unisex
Insect Repellent Yes

Size chart

Sizing notes

Measure around your head where the headwear would fit comfortably.

Rated 5 out of 5 by from Great hat Love this hat. Very light, good airflow. Had it about a month, so far no issues whatsoever. Worn it for golf on cloudless hot windy days and it def helps. Stays in place really well with the drawstring (20-25 mph winds). Comfy as well, Im not a hat person, but all afternoon in the red rocks lots with no clouds, you def need something, and it worked great, hardly knew i had it on. I like that you can mold the brim somewhat as well. Not a huge fan of the logos and front and back, but thats a minor gripe. Pricier than some other options, but worth it imo.
Date published: 2016-07-09
Rated 5 out of 5 by from Lightweight , bug away Shades you, repels bugs, super light weight and breatheable . What more do you want ?
Date published: 2016-04-19
Rated 5 out of 5 by from Super comfortable! I bought this hat a few weeks ago and have used it for hiking/backpacking and love it! It fits well, protects my face from the sun and is lightweight and comfortable!
Date published: 2016-08-02
Rated 4 out of 5 by from Great hat Picked it up a few weeks ago. I needed something to keep the sun off my head without looking too dorky. This worked. A bit warm, but not too bad.
Date published: 2016-06-30
Rated 4 out of 5 by from Nice AZ hat Good coverage. Good color. Nice the strap can be removed. I originally ordered a medium per OR size chart. Once I tried it on it was really snug. I ended up exchanging it for a large.
Date published: 2017-03-19
Rated 5 out of 5 by from Great for city and hiking. I love the hat....just wish the brim was a little bit would then be better than perfect.
Date published: 2017-06-12
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How wide is the brim of this hat?

Asked by: dwkruse
The brim is 2.75" wide.
Answered by: REIservice
Date published: 2017-02-03
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