Choose the right protection
Lens Category Guide
Lens category tells you how dark a sunglass lens is and how much visible glare it filters. It is different from UV protection — always check the product details for the lens technology and protection you need.
0Very light
Fashion or indoor-style tint. Very limited reduction of sun glare.
1Light
Light tint for low-brightness conditions and limited glare reduction.
2Medium
A versatile everyday tint with good glare reduction for moderate sunshine.
3Dark
High glare reduction for bright outdoor conditions — common in quality sunglasses.
4Very dark
Very high glare reduction for extreme brightness. Not suitable for driving or road use.
Driving note: categories 1–3 are not suitable for driving at twilight or at night. Category 4 is not suitable for driving or road use. Product markings and manufacturer guidance should always take priority.
