---
product_id: 516269469
title: "FlatRock Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling Running, UV Protection"
brand: "kastking"
price: "€ 54.14"
currency: EUR
in_stock: true
reviews_count: 11
category: "Kast King"
url: https://www.desertcart.fi/products/516269469-flatrock-polarized-sport-sunglasses-for-men-and-women-ideal-driving
store_origin: FI
region: Finland
---

# 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:** € 54.14
**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 and Women, Ideal for Driving Fishing Cycling Running, UV Protection by kastking
- **How much does it cost?** € 54.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/516269469-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

- • **Built for Adventure:** Impact-resistant lenses and marine-grade coating stand up to your active lifestyle.
- • **Tailored Lens Colors:** Choose smoke, brown, copper, or green lenses optimized for any light condition.
- • **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 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.

## Description

desertcart.com : KastKing FlatRock Polarized Sport Sunglasses for Men and Women, Ideal for Driving Fishing Cycling Running, UV Protection : Sports & Outdoors

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: Nice shades! - Great fit, lightweight, very affordable.

## 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 | 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 |

## 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/51Kjp2VtA5L.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.

### ⭐⭐⭐⭐⭐ Nice shades!
*by J***B on March 1, 2026*

Great fit, lightweight, very affordable.

### ⭐⭐⭐⭐⭐ Awesome look and feel! Extremally light and clarity is phenomenal - HIGHLY RECOMMEND
*by M***. on January 30, 2026*

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!!!

## 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 Toccoa Polarized Sport Sunglasses for Men and Women,Ideal for Driving Fishing Cycling and Running,UV Protection

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**Shop now:** [https://www.desertcart.fi/products/516269469-flatrock-polarized-sport-sunglasses-for-men-and-women-ideal-driving](https://www.desertcart.fi/products/516269469-flatrock-polarized-sport-sunglasses-for-men-and-women-ideal-driving)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-20*