# Maui Jim Pīwai Square Aviator Sunglasses, Model 645

Model: Maui Jim Pīwai sunglasses combine a modern square aviator design with polarized lenses and a lightweight MauiPure frame. The listing describes glare-reducing lens treatments and a scratch-resistant coating, but does not provide lens color or fit measurements.

- [Original product page](https://best-deals.pro/product/maui-jim-piwai-square-aviator-sunglasses-645)
- [View offer](https://best-deals.pro/visit/maui-jim-piwai-square-aviator-sunglasses-645)
- Market: US
- Language: en-US
- Currency: USD
- Model: 645
- Category: Fashion & Accessories > Fashion Accessories
- Price: 276.75 USD
- Previous price: 369.00 USD
- Discount: 25%
- Price checked: 2026-11-14T07:01:54.808Z
- Rating: 4.7 / 5
- Reviews: 4

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Square aviator styling is described as suitable for city wear and outdoor use.
- PolarizedPlus2® lenses and manufacturer-claimed glare reduction target reflections from flat or reflective surfaces.
- The listing claims UV protection, backside anti-reflective treatment, and a coating that repels water, sweat, sunscreen, and fingerprints.
- MauiPure is described as a lightweight frame material. The listing also claims scratch-resistant coating and enhanced color and contrast.

## Pros

- Polarized lens technology and backside glare treatment address reflections in bright outdoor conditions.
- The manufacturer claims lens coatings that repel common residues and resist scratches, potentially reducing routine cleaning needs.
- Lightweight MauiPure construction and rubber nose pads are specified.

## Specifications

### Identity
- Brand: Maui Jim
- Model: 645
- Department: mens
### Design and materials
- Frame style: modern square aviator
- Frame material: MauiPure
- Lens technology: Exclusive PolarizedPlus2® lens technology
- Design details: Signature Wavy Pattern on temple tips, Signature Slash at the hinge and temple tip, Signature Slash on rubber nose pads
### Manufacturer-stated lens features
- Glare reduction: 99.9% Glare Reduction
- UV protection: 100% UV Protection

## Before you buy

- The listing claims 99.9% glare reduction, 100% UV protection, scratch resistance, and water- and oil-repelling properties. These are manufacturer statements, not independently verified measurements. Lens color, dimensions, fit, and package contents are not specified.

## A good fit for

- Buyers seeking polarized square aviator sunglasses for everyday outdoor wear.
- Shoppers who value claimed glare reduction and UV protection, with the understanding that these are listing claims.
- Those who prefer a lightweight frame material and distinctive temple and hinge details.

## Less suited to

- Buyers who need published lens color, frame dimensions, or fit measurements before choosing.
- Shoppers seeking verified test results or clearly documented package contents.

## Customer feedback

Aggregate ratings are favorable, with the available distribution showing four- and five-star ratings only. The sample is very small and contains no written feedback, so it cannot establish why buyers rated the sunglasses positively or how they perform in use.

## Frequently asked questions

### Are the Pīwai lenses polarized?
Yes. The product description lists Maui Jim PolarizedPlus2® lens technology.
### What UV protection does the listing claim?
It states 100% UV Protection. This is a manufacturer claim, not an independently verified result.
### What is the frame made from?
The product description identifies lightweight MauiPure as the frame material.
### Does the listing specify the lens color or frame measurements?
No lens color, frame dimensions, or fit measurements are provided in the supplied details.

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## Add-ons

- [Tissot 4.2 out of 5 stars17](https://best-deals.pro/visit/maui-jim-piwai-square-aviator-sunglasses-645)

## Images

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 1](https://best-deals.pro/i/oxxrI7uwN7lorfJ51fdqC5Rl6XGDbMKCqbKfX7hWVj3mmGJrbnQPhsfiJr6lnGcVSlh3AYDHnCoVgK6prc-77TFnzC4boVNih0CDe2ISv9-6HF_VnyNBvKqp.jpg)

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 2](https://best-deals.pro/i/fWwyUuD-QlMIcalZRhmLDz_mGjXtw0HZ1VkJvLJbFBnwGtTGDCJzCYvU9T8OTt0JW5vkGFUloepw3UkfVJb9sTsMcYvBWVcXktCTeMgj2LLEBo8pMk5H1Lav.jpg)

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 3](https://best-deals.pro/i/ZookxRy_HGt2v9SFttWXu8WeXUMIbBvojjZ0-7JBuzwFtPjMZ8MGRZunUQ07rPICXWkqz8P7TZB0fCldaWY3pUKeXhwxDvF9C4vUvL1z3P5TnCjoTiZ5EQ1T.jpg)

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 4](https://best-deals.pro/i/xx46Fuho2f9GhvGNfQiQHqDVj0PLRpKKQEndNvRSgU369UaPVc30bvymA2pJjRnLptLOu5YQESP37Jc8bjlcP2sGavO8lhr1VWUBSlArXRX86LTuRpABOZkR.jpg)

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 5](https://best-deals.pro/i/-XhE2ypEAPcKaGSLA6UG3TK8pP1nnOv8P1TULBNlVpKACXGgSfLQzijIcToPLPRXhhzwqPvsdLqftSIR4Unbe1b40aqmta7nxIGkum7zWWo2Hb4wSOSnVYxV.jpg)

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 6](https://best-deals.pro/i/wyAFhE_10BfBfB4XwA9fPcEmb8VmxiIEGVb1QkLg2y-pJlrgO2W4rlBZ_kPYlA8G_KiL0ttQ2qaAHq-wSap5HD3CaEAQlzzCKCsnua4n0emmWZGIKueS8QQE.jpg)

![Maui Jim Pīwai Square Aviator Sunglasses, Model 645 — 7](https://best-deals.pro/i/3hHxbNJh9RQNgKu4n9nqqK2pxpzgwMIDT77eN0XWKspPUNn2HAOMB8o6IiVl7YG78A_ZNRlQjtpSvmY4wdHJ_23VflgrzfxdtaOrXbXk5bIzMpIEvFEYZodG.jpg)