---
product_id: 515372715
title: "FlatRock Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling Running, UV Protection"
brand: "kastking"
price: "$60.68"
currency: USD
in_stock: true
reviews_count: 12
category: "Kast King"
url: https://www.desertcart.us/products/515372715-flatrock-polarized-sport-sunglasses-for-men-and-women-ideal-driving
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 and Women, Ideal for Driving Fishing Cycling Running, UV Protection

**Brand:** kastking
**Price:** $60.68
**Availability:** ✅ In Stock

## Summary

> 🕶️ Elevate your outdoor game with style and unstoppable clarity!

## Quick Answers

- **What is this?** FlatRock Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling Running, UV Protection by kastking
- **How much does it cost?** $60.68 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/515372715-flatrock-polarized-sport-sunglasses-for-men-and-women-ideal-driving)

## 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

- • **Ready for Adventure:** Includes custom hard case and microfiber pouch to protect your investment on the go.
- • **Tailored Lens Colors:** Choose smoke, copper, green, or brown lenses optimized for any light condition.
- • **Military-Grade Comfort:** Grilamid frames deliver featherlight durability and flexible fit all day long.
- • **Glare-Free Vision, Always:** Polarized TAC lenses cut glare for crystal-clear outdoor views.
- • **Scratch-Resistant Clarity:** Exclusive PuriVex coating repels dirt, water, and scratches for lasting lens brilliance.

## 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 sunglasses offer tailored lens colors for all lighting conditions. Perfect for fishing, driving, cycling, and running, they come with a custom hard case and microfiber pouch to keep your eyewear protected and pristine.

## 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: Quality meets affordability. - At the price point, these are great. Polarizing lenses work well and colors worked for me. They will last about a season between work and play. They are comfortable and don’t rub the top of my ear raw like other low-priced glasses do. They are not indestructible, though. They will scratch easily on a drop or through poor care. Take care of them and they last at least season.

## 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 |
|---------------|-------|
| ASIN | B0BG4WKXBJ |
| Age Range Description | Adult |
| Arm Length | 5.59 Inches |
| Best Sellers Rank | #1,092 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #12 in Sunglasses |
| Brand | KastKing |
| Bridge Width | 0.63 Inches |
| Color | Frame: Gloss Tal Gray /Lens: Smoke - Blue Ocean Mirror |
| Customer Reviews | 4.5 out of 5 stars 1,408 Reviews |
| Fit Type | Regular |
| Frame Material Type | Grilamid® |
| Item Shape | Square |
| Item Type Name | Sunglasses |
| Lens Coating Description | UV Protection Coating |
| Lens Color | Smoke-Blue Ocean Mirror |
| Lens Material Type | Tri Acetate Cellulose |
| Lens Type | TAC |
| Lens Width | 2.28 Inches |
| Manufacturer | KastKing |
| Material | Plastic |
| Occasion Type | fishing, golf, hiking, running |
| Polarization Type | Polarized |
| Product Care Instructions | Clean lenses with a clean microfiber cloth or lint-free cloths and fresh warm water. Avoid saltwater and paper towels for drying. |
| Recommended Uses For Product | Climbing, Driving, Hiking, fishing, golf, running |
| Sport Type | Fishing, Outdoor Lifestyle |
| Style Name | Sports Sunglasses |
| Sunglasses Form | fit_over |
| Ultraviolet Light Protection | Yes |
| Unit Count | 1 Count |
| size | One Size |

## Images

![FlatRock Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling Running, UV Protection - Image 1](https://m.media-amazon.com/images/I/51teeHxhYOL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What color is best for shallow water fishing?**
A: Green

**Q: Can I wear these polarized sunglasses on cloudy days?**
A: You can, they are still better for seeing into the water but for seeing everything else non-polarized are better on cloudy days.

**Q: Are there sunglasses for specific sports or activities?**
A: Yes, these polarized sunglasses designed for various sports and outdoor activities. These sunglasses are featured with impact resistance designs, and specialized lens tints to enhance performance and protect the eyes.

**Q: Do polarized sunglasses make everything darker?**
A: Some polarized sunglasses may darken the overall brightness slightly due to the filtering of certain light waves.  However, KastKing polarized lenses maintain excellent visual clarity while reducing glare.

## 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.

### ⭐⭐⭐⭐⭐ Quality meets affordability.
*by H***7 on May 25, 2026*

At the price point, these are great. Polarizing lenses work well and colors worked for me. They will last about a season between work and play. They are comfortable and don’t rub the top of my ear raw like other low-priced glasses do. They are not indestructible, though. They will scratch easily on a drop or through poor care. Take care of them and they last at least season.

### ⭐⭐⭐⭐⭐ 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. 👍

## Frequently Bought Together

- KastKing FlatRock Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling Running, UV Protection
- KastKing Huzzah Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling and Running,UV Protection
- KastKing Skidaway Polarized Sport Sunglasses for Men and Women,Ideal for Driving Fishing Cycling and Running,UV Protection

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-10*