---
product_id: 515372715
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: "$61.39"
currency: USD
in_stock: true
category: "Kast King"
url: https://www.desertcart.us/products/515372715-kastking-flatrock-polarized-sport-sunglasses-for-men-and-women-uv
store_origin: US
region: United States of America
---

# PuriVex water & salt repellent coating Lightweight, durable Grilamid frames 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:** $61.39
**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?** $61.39 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-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

- • **Glare-Free Vision:** Polarized TAC lenses cut glare for crystal-clear sight on the move.
- • **Military-Grade Comfort:** Ultra-light Grilamid frames offer flexible, heat-resistant wear all day long.
- • **Complete Protection Kit:** Includes custom hard case and camo microfiber pouch for scratch-free, easy maintenance.
- • **Marine-Grade Durability:** PuriVex coating repels water, salt, and dirt—perfect for active outdoor lifestyles.
- • **All-Condition Lens Options:** Smoke, Brown, Copper, and Green lenses optimize vision from bright sun to overcast skies.

## 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, these sunglasses repel water, salt, and dirt for long-lasting clarity and durability. Designed for active professionals, they offer versatile lens colors for all lighting conditions and come with a protective case and microfiber pouch, making them ideal for driving, fishing, cycling, and running.

## 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 | B0BG4WKXBJ |
| Age Range Description | Adult |
| Arm Length | 5.59 inches |
| Best Sellers Rank | #1,681 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #14 in Sunglasses |
| Brand | KastKing |
| Bridge Width | 0.63 inches |
| Color | Frame: Gloss Tal Gray /Lens: Smoke - Blue Ocean Mirror |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,492) |
| 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, 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/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.

## Frequently Bought Together

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-09*