---
product_id: 2444665
title: "Costa Del Mar unisex-adult C-line Retainer"
brand: "costa del mar"
price: "VT4940"
currency: VUV
in_stock: true
reviews_count: 13
category: "Costa Del Mar"
url: https://www.desertcart.vu/products/2444665-costa-del-mar-unisex-adult-c-line-retainer
store_origin: VU
region: Vanuatu
---

# 100% UV protection Blue & yellow light blocking Lifetime durability Costa Del Mar unisex-adult C-line Retainer

**Brand:** costa del mar
**Price:** VT4940
**Availability:** ✅ In Stock

## Summary

> 🕶️ Never lose your shades, always own the moment.

## Quick Answers

- **What is this?** Costa Del Mar unisex-adult C-line Retainer by costa del mar
- **How much does it cost?** VT4940 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/2444665-costa-del-mar-unisex-adult-c-line-retainer)

## Best For

- costa del mar enthusiasts

## Why This Product

- Trusted costa del mar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultimate Eye Defense:** 100% UV protection shields your eyes from harmful rays during every outdoor adventure.
- • **Effortless Comfort & Fit:** Lightweight, flexible design keeps your sunglasses secure without pinching or discomfort.
- • **Built to Last, Guaranteed:** Hand-built craftsmanship with lifetime backing ensures your retainer never lets you down.
- • **Sharper Vision on the Water:** Patented tech blocks blue and yellow light for enhanced clarity and vibrant color—perfect for fishing pros.
- • **Minimalist Style, Maximum Function:** Sleek silver finish complements any look while keeping your frames exactly where you need them.

## Overview

The Costa Del Mar C-line Retainer is a premium, hand-built silicone leash designed to keep your sunglasses secure with lifetime durability. Featuring 100% UV protection and patented blue and yellow light blocking technology, it enhances visual clarity and color—ideal for fishing and outdoor enthusiasts. Lightweight and flexible, it offers a comfortable, minimalist fit that complements any style.

## Description

Never forget where your sunglasses are again with sunglass retainers from Costa Del Mar. Flexible and lightweight, these minimally designed retainers will ensure your frames stay exactly where you need them. Costa products sold by authorized sellers, like desertcart. Visit the Costa shop by clicking on the brand link above to shop the entire Costa assortment.

Review: Excellent product - Secure fit on the frames. Not tight against the scalp when wearing them.
Review: High quality and perfect design - The length is a bit shorter, but I like how it keeps my glasses up a bit higher when not wearing them. Great construction. Works perfectly with my Costa glasses.

## Features

- Hand built and backed for life
- 100% UV protection and Polarized for superior clarity
- Patented Technology blocks blue and Yellow light for better clarity and color during fishing
- Non-Polarized, 4-Inch high and 9-Inch wide

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008H5D9CG |
| ASIN  | B0D7Q3Y76Q |
| Best Sellers Rank | #129,146 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #7,241 in Women's Accessories |
| Brand Name | Costa Del Mar |
| Color | Silver |
| Customer Reviews | 4.7 4.7 out of 5 stars (8,243) |
| Date First Available  | June 21, 2024 |
| Department  | mens |
| Fastener Type | Leash |
| Global Trade Identification Number | 00097963485500 |
| Included Components | retainers |
| Item Dimensions | 10 x 8 x 1 inches |
| Item Type Name | Leash |
| Item Weight | 0.01 Ounces |
| Item model number  | A6S0003KT |
| Manufacturer | Pro-Motion Distributing - Direct |
| Manufacturer  | Pro-Motion Distributing - Direct |
| Manufacturer Part Number | CE18 |
| Material Type | Silicone |
| Pattern | Solid |
| Size | 20 Inch |
| Style Name | Costa C-line Retainer |
| Style Number | A6S0003KT |
| UPC | 097963485500 |
| Unit Count | 1 Count |

## Images

![Costa Del Mar unisex-adult C-line Retainer - Image 1](https://m.media-amazon.com/images/I/41uyzCZhaSL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent product
*by R***L on March 14, 2026*

Secure fit on the frames. Not tight against the scalp when wearing them.

### ⭐⭐⭐⭐⭐ High quality and perfect design
*by S***R on August 20, 2025*

The length is a bit shorter, but I like how it keeps my glasses up a bit higher when not wearing them. Great construction. Works perfectly with my Costa glasses.

### ⭐⭐⭐⭐⭐ Good strap
*by D***. on November 2, 2025*

Good strap. Seems to be well constructed. Purchased it to use at work but like it so much I use it all the time.

## Frequently Bought Together

- Costa Del Mar unisex-adult C-line Retainer
- Costa Strap, Black, 23in
- Costa Del Mar Unisex Adult Bowline Silicone Retainer

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**Shop now:** [https://www.desertcart.vu/products/2444665-costa-del-mar-unisex-adult-c-line-retainer](https://www.desertcart.vu/products/2444665-costa-del-mar-unisex-adult-c-line-retainer)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-04*