Thunder Fifty Trans Grey / Black Size:UNI Choose the Kai Top Black

Choose the Kai Top Black and combine style and functionality at every sunny moment

Designed with urban aesthetics to walk the streets

With their versatile beige design

The redesigned sole provides a lighter weight for a more comfortable ride

a dedicated spray case for on-the-go protection

Thunder Fifty Trans Grey / Black Size:UNI Choose the Kai Top BlackThunder Fifty are made for those who train with determination. The premium TR90 frame is ultra light, impact resistant and flexible, adapting to your face like a natural extension. OPTAREX Core lenses provide clear vision, lightness, and protection against impact and light. They feature Smoke Revo polycarbonate lenses with full UV400 protection, an 86% blue light filter, and a REVO coating, delivering clear vision, reduced glare and enhanced contrast