Dual-lens flip-up motorcycle helmet-I95Product Features: Long distance cycling: Built in dark lenses instantly block 99% of UV rays and glare, effectively reducing eye fatigue. High definition clear outer lenses combined with a chin air intake improve defogging efficiency by 40%, ensuring clear vision. Highway cycling: Reduces wind noise and improves riding stability. Safety Certification: Officially certified by the U. S. Department of Transportation (DOT) (FMVSS 218) Product