The total volume is approximately 2

the robust construction protects against shocks

Weighing only 37g

Hand washing is recommended

There is an imbus as a gift for you to assemble and disassemble easily

Dynamische Radbrille mit UV400-Sonnenfilter Helmets The total volume is approximatelyPHOTOTROPIC TECHNOLOGY: Self tinting lenses automatically adapt to the light intensity no need to change them when lighting conditions change. UV400 PROTECTION: Blocks 100% of UVA, UVB and UVC rays for optimal protection from sunlight and glare. ADJUSTABLE NOSE PADS: Flexible adjustment for a non slip, comfortable fit ideal for long journeys. ROBUST TR90 FRAME: Ultra light, flexible and durable high wearing comfort even in shocks. ULTRALIGHT: Barely