Crystal Stone Bio / Earth 

Frame: Handcrafted bioacetate frames—biodegradable, plant-based, earth-friendlier. Rx-ready.

Lens: High clarity CR-39 lenses with 100% UVA/UVB protection.

Hardware: Optical-grade, stainless steel hardware. 5 barrel hinges. Wire cores for added strength and superior fit.

Measurements: 64mm / 39mm / 146mm

Fit: Medium-Wide width

All sunglasses come with case