---
product_id: 530385061
title: "KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running"
brand: "kastking"
price: "$57.01"
currency: USD
in_stock: true
category: "Kast King"
url: https://www.desertcart.us/products/530385061-kastking-flatrock-polarized-sport-sunglasses-for-men-and-women-uv
store_origin: US
region: United States of America
---

# Ultra-light Grilamid Frames PuriVex Water & Salt Repellent 100% UVA/UVB Protection KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running

**Brand:** kastking
**Price:** $57.01
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running by kastking
- **How much does it cost?** $57.01 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/530385061-kastking-flatrock-polarized-sport-sunglasses-for-men-and-women-uv)

## 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 the Wild:** Marine-grade PuriVex coating repels water, dirt, and scratches—ready for any adventure.
- • **Tailored Lens Colors:** Choose smoke, brown, copper, or green lenses optimized for every light condition.
- • **Complete Protection Kit:** Includes custom hard case and camo microfiber pouch to keep your shades pristine.
- • **Featherweight Durability:** Military-grade Grilamid frames deliver unmatched strength and comfort all day long.
- • **Glare-Free Vision, Always:** Polarized TAC lenses cut glare for crystal-clear views on the move.

## Overview

KastKing FlatRock Polarized Sport Sunglasses combine advanced polarized TAC lenses with 100% UVA/UVB protection and a proprietary PuriVex coating that repels water, salt, and dirt. Crafted with ultra-light, flexible Grilamid frames used in military and medical gear, these sunglasses offer durable comfort for driving, fishing, 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 care and convenience.

## Description

desertcart.com : KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running : Sports & Outdoors

## 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 | B0BG4L3WVL |
| Age Range Description | Adult |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Arm Length | 5.59 inches |
| Best Sellers Rank | #2,142 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #15 in Sunglasses |
| Brand | KastKing |
| Bridge Width | 0.63 inches |
| Color | Frame: Matte Black /Lens: Smoke - Cobalt Mirror |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,510) |
| Fit Type | Regular |
| Fit to Size Sentiment | Neutral |
| Frame Coverage | Full Frame |
| Frame Material Type | Grilamid® |
| Import Designation | Imported |
| Item Shape | Square |
| Item Type Name | Sunglasses |
| Lens Coating Description | UV Protection Coating |
| Lens Color | Smoke-Cobalt 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 |
| Pattern | No Pattern |
| 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. |
| Recommended Uses For Product | Climbing, Fishing, Golf, Hiking, 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

![KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running - Image 1](https://m.media-amazon.com/images/I/51nqynqWTRL.jpg)
![KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running - Image 2](https://m.media-amazon.com/images/I/711oa0k3FyL.jpg)
![KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running - Image 3](https://m.media-amazon.com/images/I/61P1da6F6VL.jpg)
![KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running - Image 4](https://m.media-amazon.com/images/I/81HNYNut8fL.jpg)
![KastKing FlatRock Polarized Sport Sunglasses for Men & Women, UV Protection | PuriVex Water & Salt Repellent, Lightweight, Durable, Ideal for Driving Fishing Cycling and Running - Image 5](https://m.media-amazon.com/images/I/710Mtq9u5IL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.us/products/530385061-kastking-flatrock-polarized-sport-sunglasses-for-men-and-women-uv](https://www.desertcart.us/products/530385061-kastking-flatrock-polarized-sport-sunglasses-for-men-and-women-uv)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-20*