---
title: How Do I Choose the Right Frame Fit?
description: We know how important it is for your sunglasses to feel just right—not too tight, not too loose, and definitely not sliding down your nose. Here's how to find your perfect Rheos fit.
---
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May 7, 2025
# How Do I Choose the Right Frame Fit?
## Here's how to find your perfect Rheos fit.
We know how important it is for your sunglasses to feel just right—not too tight, not too loose, and definitely not sliding down your nose. Here's how to find your perfect Rheos fit.
---
### 📏 Frame Measurements: What They Mean
Each Rheos frame includes three key measurements (in millimeters):
- **Lens Width** – Horizontal measurement of one lens
- **Bridge Width** – Distance between the lenses (where it sits on your nose)
- **Temple Length** – Arm length from hinge to ear
You’ll find these listed on each product page to help you compare fits. If you already own a pair of well-fitting sunglasses, check the inside arm for sizing as a reference.
---
### 💁♀️ Choosing by Face Shape
While fit is personal, here are a few general guidelines to help:
- **Round Face**: Look for rectangular or angular frames like *Coopers* or *Breakers*
- **Oval Face**: Lucky you—most shapes work! Try *Waders* or *Lanas*
- **Square Face**: Try rounder or curved frames like *Wyecreeks*
---
### 👤 Fit Notes from Real Customers
Here are a few customer-approved picks based on common needs:
- “I have a **narrower face**, and the *Palmettos* fit perfectly without sliding.”
- “Needed a **larger fit** for a wider head—Biscayne XL is my go-to.”
- “*Waders* are super lightweight and feel comfortably snug, even when I’m paddleboarding.”
---
### 🖼 Want to See How They Look?
Check out our full visual Fit Guide with frame comparisons and style suggestions:
👉 [Rheos Fit Guide Page](https://www.rheosgear.com/pages/sunglasses-fit-guide?_pos=1&_psq=fit+guide&_ss=e&_v=1.0)
---
Still unsure? Reach out to our team with a photo or question—we’re happy to help you pick the perfect pair.
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