OTG: The polycarbonate lens is co-molded to a panoramic shape to allow for great optical clarity and increased visibility; Molded to fit over most prescription eye wear, the wraparound construction protects against dust and flying debris. Material: Made with super soft TPR that conforms to the face for maximum comfort and sealed protection; Protective eyewear comes with side temples that have indents to allow the goggle body to fit over temple frames. All Purpose: Including an orange/black flame-retardant head band for a secure fit, these goggles are used in a wide variety of applications where eye protection is necessary, like, construction, food processing, laboratory, oil & gas, landscaping etc. Certified: This product is OSHA compliant, meets ANSI Z87.1+ standards and protects the user from UV rays with a 99% UV Protection Rating.