

🕶️ Elevate your outdoor game with style and unbeatable eye protection!
KastKing FlatRock Polarized Sport Sunglasses combine military-grade lightweight Grilamid frames with polarized TAC lenses that block 100% UVA/UVB rays. Featuring exclusive PuriVex coating, these durable sunglasses resist scratches, dirt, and water, making them perfect for fishing, driving, cycling, and running. Available in multiple lens colors tailored for varying light conditions, they come with a custom hard case and microfiber pouch for ultimate protection and convenience.













| ASIN | B0BG4JX42F |
| Best Sellers Rank | #2,183 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #14 in Sunglasses |
| Brand Name | KastKing |
| Color | Frame: Gloss Black /Lens: Smoke |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,332) |
| Date First Available | September 22, 2022 |
| Item Package Dimensions L x W x H | 6.42 x 3.31 x 2.76 inches |
| Manufacturer | KastKing |
| Material | Plastic |
| Model Name | Kastking |
| Package Weight | 0.11 Kilograms |
| Size | One Size |
| Sport Type | Fishing, Outdoor Lifestyle |
| Style | Sports Sunglasses |
| Suggested Users | Unisex Adult |
W**.
Great Value, Comfortable Fit, and Perfect for Water Activities
I purchased the KastKing FlatRock Polarized Sport Sunglasses for an upcoming cruise to the Bahamas and a fishing trip. I specifically needed blue mirror lenses for better visibility on the water, a comfortable and secure fit, and a good price—these sunglasses deliver on all fronts. The polarization is solid, cutting glare effectively while enhancing colors, making them ideal for fishing, boating, and general outdoor use. The lightweight frame is comfortable enough for all-day wear, and they stay put even during movement—no annoying slipping down the nose. I also considered Knockaround sunglasses, which I've used before, but I’m glad I went with the FlatRock style. The design works well with my long face and angular features, providing both a stylish and functional fit. For the price, these are an excellent alternative to more expensive polarized sunglasses, and they don’t feel cheap. If you need reliable eye protection for driving, fishing, cycling, or any outdoor adventure, these are a solid pick.
J**B
Nice shades!
Great fit, lightweight, very affordable.
M**.
Awesome look and feel! Extremally light and clarity is phenomenal - HIGHLY RECOMMEND
Wow!!!! My KK FlatRock Sunglasses are absolutely SWEEET looking!!!! All the social media advertising.....$$$ well well spent. Have to say - Bit better than my Oakley's. Correct on the light weight and fit. HIGHLY RECOMMEND. Definitely will be purchasing another pair ( Dif. color lenses and frame). Thank You!!!
P**R
nice
good fit nice for the price
A**R
Birthday gift that turned into his daily pair
I bought the KastKing FlatRock Polarized Sport Sunglasses as part of my dad’s birthday gift, and they’ve easily become his favorite pair. He owns several other sunglasses, but he’s told me multiple times that they don’t compare to these. The clarity is great, the polarization works well for driving and being outside, and they’re comfortable enough for all-day wear. They also feel durable and well made, not flimsy. If you’re looking for a solid pair of polarized sunglasses that won’t break the bank but still perform, these are a great choice.
J**S
Wow, these are fantastic
I may have to try a KastKing spinning reel after wearing these (Normally a Penn guy) because the quality of these sunglasses is that excellent. Let's start with what's obvious; the looks. First, there's no mistaking these for cheap, off-the-rack shades. KastKing is clearly employing a higher-end manufacturing process to produce these, and at least for me this size is perfect. I want full coverage for my eyes (beach - surf fishing), and to me a lot of frames on the market appear to have been designed with a smaller head in mind. These are not like that. They're large enough to cover my eyes without being too big. They're also not "cat-like" which for my taste makes then more wearable. Next thing has to be the weight. Really wow. They're amazingly light. I can barely tell that I'm wearing them, and I love that they are pliable, a definite plus. Polarization, check ✔️. Mirror lens, check ✔️. Eye-soothing tint, ✔️. Comes with a great case, ✔️ Affordable price, ✔️. Seriously, I may just have to try out that spinning reel, but whatever the case I'm definitely a fan of the sunglasses. So much so, in fact, that I think I'll get a pair for my wife, too. KastKing, please take a bow. 👍
C**T
Good glasses
My favorite sunglasses. It’s hard for me to find glasses that fit and don’t rest on my cheeks but these are great. And comfortable to be in all day. My only complaint is the coating on the lenses is not very robust. After about a year of wear the coat is starting to flake off the lenses but at the price point I guess I should expect corners to be cut.
T**N
Last Pair You Will Buy
Very durable. Looks great. I prefer these over oakleys and Fendi sunglasses. They also bend and are very well designed.
S**E
Love these - comfortable fit, comes with a sturdy case, they have excellent clarity and for the price they feel like a steal! Highly recommend!
R**I
Really nice for the price...
T**L
Wow what can i say , these sunglasses r awesume n fit nice n look good but but but the color of the lenses r coming off i take really good care of them n always put them in the soft case n then hard case and still this happened i have an other pair of skidrow that the lenses r peeling away , i love these sunglasses they look awesume but not amymore , can i get a warranty or something , kastking can u send me a new pair ty
Trustpilot
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