--- product_id: 519208642 title: "FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection" brand: "kastking" price: "$62.61" currency: USD in_stock: true reviews_count: 12 category: "Kast King" url: https://www.desertcart.us/products/519208642-flatrock-polarized-sport-sunglasses-for-men-and-women-uv-protection store_origin: US region: United States of America --- # Ultra-lightweight Grilamid frames PuriVex scratch & water repellent coating 100% UVA/UVB protection FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection **Brand:** kastking **Price:** $62.61 **Availability:** ✅ In Stock ## Summary > 🕶️ Elevate your outdoor game with style and unbeatable eye protection! ## Quick Answers - **What is this?** FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection by kastking - **How much does it cost?** $62.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/519208642-flatrock-polarized-sport-sunglasses-for-men-and-women-uv-protection) ## Best For - kastking enthusiasts ## Why This Product - Trusted kastking brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built for Adventure:** Impact-resistant lenses and marine-grade coating stand up to rugged conditions. - • **Tailored Lens Colors:** Choose smoke, copper, green, or brown lenses optimized for any light scenario. - • **Military-Grade Comfort:** Super-light, flexible Grilamid frames ensure all-day wear without fatigue. - • **Complete Protection Kit:** Includes custom hard case and microfiber pouch to keep your shades pristine. - • **Glare-Free Vision, Always:** Polarized TAC lenses cut glare for crystal-clear outdoor views. ## Overview KastKing FlatRock Polarized Sport Sunglasses combine military-grade Grilamid frames with polarized TAC lenses that block 100% UVA/UVB rays. Featuring exclusive PuriVex coating for scratch and water resistance, these ultra-lightweight, impact-resistant sunglasses are designed for fishing, driving, cycling, and running. Available in multiple lens colors tailored for different light conditions, they come with a custom hard case and microfiber pouch for premium protection and easy maintenance. ## Description Product description KastKing Flatrock Polarized Sunglasses FlatRock Polarized Sport Sunglasses The KastKing FlatRock design allows you to enjoy the great outdoors in style and comfort. Select from a variety of stylish mirror lens finishes and frame colors to suit your eyewear taste. Base Lens Color Guide Available lens colors include smoke, copper, green and brown. KastKing sunglass lenses block 100% of the harmful UVA and UVB rays. Product Dimensions Polarized Fishing Sunglasses Huzzah Skidaway Flatrock Osage Review: 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. Review: 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. 👍 ## Features - KEY FEATURES – Polarized lenses reduce glare - Impact resistant TAC lenses protect your eyes from flying objects - Blocks 100% of the harmful UVA and UVB rays - Lightweight, durable, and flexible Grilamid frames - PuriVex PROTECTIVE COATING – Exclusive KastKing PuriVex coating protects lenses from scratches while repelling dirt, oil, and water for easier cleaning and long-lasting clarity. The tough marine-grade coating helps prevent scratches and resists damage in harsh outdoor conditions, making these sunglasses ideal for fishing, driving, and other active sports - SUPERIOR AND SUPER LIGHTWEIGHT FRAMES – Made from the same Grilamid material commonly used by the military and in medical applications, our frames are greatly lightweight, extremely flexible, and heat and UV resistant. Grilamid frames are well known for their strength, lightweight comfort, shape integrity, and impact resistance. This ultra-lightweight and malleable material translates to a very comfortable fit - BASE LENS COLOR and UV PROTECTION – Smoke lenses are ideal for bright sunlight with the most realistic color reproduction and work well in medium light and partial shade. Brown lenses increase contrast and depth perception, ideal for cloudy to sunny conditions. Copper lenses were best suited for moderate to low light. Green performs well in sunny to overcast conditions. KastKing sunglasses block 100% of the harmful UVA and UVB rays and meet or exceed all U.S. ANSI standards - PROTECT YOUR EYEWEAR – KastKing sunglasses include a molded custom hard case for storage and a custom Prym1 Camo microfiber pouch which can be used for cleaning as well as storing your sunglasses. To avoid lens scratches and lens coating damage, clean your lenses with a clean microfiber cloth or lint free cloths and fresh warm water. Never dip them in saltwater or dry with a paper towel ## Technical Specifications | Specification | Value | |---------------|-------| | Item Package Dimensions L x W x H | 6.46 x 3.31 x 2.72 inches | | Package Weight | 0.11 Kilograms | | Brand Name | KastKing | | Color | Frame:gloss Tal Light Blue /Lens: Smoke - Ice Blue Mirror | | Material | Plastic | | Suggested Users | Unisex Adult | | Number of Items | 1 | | Style | Sports Sunglasses | | Size | Standard | | Sport Type | Fishing, Outdoor Lifestyle | ## Images ![FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection - Image 1](https://m.media-amazon.com/images/I/51jtlin-bdL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Value, Comfortable Fit, and Perfect for Water Activities *by W***. on March 16, 2025* 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. ### ⭐⭐⭐⭐⭐ Wow, these are fantastic *by B***3 on June 19, 2024* 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. 👍 ### ⭐⭐⭐⭐⭐ Good choice. Great protection for the money. *by F***P on April 20, 2026* Nice glasses, good protection, I just don't like how long the earpieces are and I don't like that they go far past my ears other than that no complaints. I was going to return them and just send them back but I've bought another pair of the Tocca line from them, and I just figured why not keep these as a backup pair or just have options to put on, because they are not horrible they're ear pieces being long is just a pet peeve, and quickly was reversed with putting a pilotfish sunglasses wire on them. For the price KastKing on a lot of their stuff is a steal and quality, a local fishing store by me stocks their stuff. After all and all. These are the most comfortable frames by KastKing for me, I can just be picky mostly bc hats are getting in the way of the frames.... But the flatrocks haven't given me any issue at all, especially since I've added a Berkeley glasses strap.. comfortable as all heck. No matter my opinion on the style, KastKing's glasses are great for fishing and UV protection you just have to find the style that is good for you! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/519208642-flatrock-polarized-sport-sunglasses-for-men-and-women-uv-protection](https://www.desertcart.us/products/519208642-flatrock-polarized-sport-sunglasses-for-men-and-women-uv-protection) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-11*