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KastKing Sol Armis UPF 50 Boonie Hat - Sun Protection Hat, Fishing Hat, Beach & Hiking Hat, Paddling

  • Based on 12,028 reviews
Condition: New
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026

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Availability: In Stock.
Fulfilled by Amazon

Arrives Dec 11 – Dec 12
Order within 14 hours and 37 minutes
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Size: One Size


Color: B: Blackout


Package Dimensions ‏ : ‎ 15.04 x 13.19 x 1.06 inches; 4.16 ounces


Date First Available ‏ : ‎ September 25, 2023


Best Sellers Rank: #8,063 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #20 in Fishing Hats


#20 in Fishing Hats:


Customer Reviews: 4.6 4.6 out of 5 stars 12,028 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Dec 11 – Dec 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews


  • Love this hat!
Size: One Size Color: A: Silver Mist
This hat is comfortable, well built, light and packs into a backpack easily. I like the adjustable bungee to fit my head snug and the chin cord kept it from flying off while running at speed. I hate wearing sunscreen but also don't like cancer so I choose to cover up when I can. This hat protected my face, ears and neck while on a week long marlin fishing trip in Cabo. It was light, dried fast and kept sweat out of my eyes. I bought the gloves from kastking also and the worked just as well. Overall it's a great value for the $ and I vmhave zero complaints. Would highly recommend. ... show more
Reviewed in the United States on September 5, 2025 by Thomas G.

  • A Stylish and Functional Boonie Hat
Size: One Size Color: B: Blackout
Rating: ★★★★★ (5/5) I recently purchased a Boonie Hat, and I must say it has exceeded my expectations in more ways than one. I couldn't be happier with this purchase, and I have no complaints about it whatsoever. One incident during my vacation in Cancun, Mexico, perfectly illustrates how much people appreciate this hat. During a catamaran excursion, a crew member actually approached me and asked if we could trade hats. I agreed. I ended up buying the same hat again because I simply couldn't do without it. One of the standout features of this hat is its eye-catching color pattern. It adds a touch of style to any outfit and helps me stand out in a crowd. Whether I'm on a tropical adventure or just running errands in town, I always receive compliments on the hat's design. Additionally, the material used to make this Boonie Hat is of excellent quality. It feels durable and comfortable on my head, making it perfect for extended outdoor activities. The hat provides ample shade and protection from the sun, which is crucial, especially in sunny destinations like Cancun. I believe this hat is suitable for anyone who values both style and functionality. Whether you're going hiking, fishing, or simply enjoying a day at the beach, this hat has got you covered—literally. It's versatile and fits well with various outdoor activities. In terms of comparisons, I've used other hats before, but none have quite matched the combination of style and functionality that this Boonie Hat offers. In conclusion, I wholeheartedly recommend the Boonie Hat to anyone in need of a stylish, comfortable, and practical hat for their outdoor adventures. I'm thrilled with my purchase, and I'm sure you will be too. Don't be surprised if someone tries to trade hats with you—it's just that good! ... show more
Reviewed in the United States on September 27, 2023 by H2IK

  • Nice Boony hat
Size: One Size Color: A: Silver Mist
Have not worn it much but hope to next Summer. Looks to be good quality so far.
Reviewed in the United States on October 10, 2025 by Mark Gleyre

  • Must have!
Size: One Size Color: Multicolor
Product is very light weight and comfortable. Very thin material allows it to breathe well and fold if needed. Washes super easy and dries extremely fast. It holds its shape well even after washing. It provides protection against the sun and i use it all summer. By far the most functional hat i own. Will be buying more. ... show more
Reviewed in the United States on August 28, 2025 by Matthew

  • Super comfortable outdoors hat
Size: One Size Color: B: Blackout
Super comfortable ! We have a large farm and spend a lot of time outdoors working year round. I got one for myself and when it arrived i tried it on and at first it felt a bit tight on my head, but i knew i would have to break it in. After wearing it a few hours, it stretched out exactly like I needed it to. I absolutely love the hat. It’s lightweight, keeps my head cool and the SPF 50 helps shield me from the sun. I loved it so much i ordered another one for my farm assistant. Definitely recommend it if you’re going to spend any amount of time outdoors . ... show more
Reviewed in the United States on May 21, 2025 by Chef

  • Great sun and wind protection
Size: One Size Color: A: Silver Mist
Great hat for value. Folded easy for travel without losing shape. Washable. Able to adjust to make it tighter or looser on head and strap for under chit. Very sturdy fabric. Kept shape easily. Great protection from sun and wind.
Reviewed in the United States on October 29, 2025 by Tamara Akers

  • Love the hat!
I've been wearing the hat for a couple months now. During both sunny and raining days. Keeping the sun off my face is great, and keeping rain off my glasses is a bonus. The adjustable brim make is fit really good. I am very happy with this hat.
Reviewed in the United States on October 23, 2025 by Paul Johnson Paul Johnson

  • Look
Size: One Size Color: A: Silver Mist
The fit is a bit unflattering.
Reviewed in the United States on November 17, 2025 by Miguel Carzola

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