The Bobster beginner MX1 off road goggle lets you tear it up in the dirt, while offering the protection and clarity that you need. The black frame is lined with comfortable open cell foam and an air flow system using frame vents, which reduces fogging of the lenses. The adjustable strap has silicone non-slip strips to keep your goggles in place for those rough rides. They are perfect for kids and beginners who are just starting out. these goggles are compatible with tear-off strips. Measures 98mm tall and 175mm wide.