Size & Style Guide
How do I find the perfect shape and size of my sunglasses & blulight glasses?
This guide explains how to choose the right sunglasses or eyeglasses size by either the measure of the lens or by looking at your current shades.Important note: for the great majority of people, more then 90% of our customers, Standard Size is the correct one. It’s very likely it’s going to be the correct size for you too.If this is your first pair of SIYU, a rule of thumb to determine the correct size for you is the following.
FIND YOUR FIT
Find The Best Frame For You
1 Polarised Lenses
Our sunglasses feature polarized lenses designed to reduce reflections and enhance your visual comfort.
2 Antiscratch & Hydrophobic
The anti-scratch coating last longer by resisting scratches, while hydrophobic coating prevent water and fog from sticking to the surface for better vision.
3 Comfortable Fit
SIYU sunglasses are made with durable materials, ensuring long-lasting wear, comfort, and a lightweight feel.
4 Perfect Travel Companion
Their durability, style, and UV protection make SIYU sunglasses ideal for vacations, road trips, and beach outings.
