Indoor Outdoor safety glasses are an excellent choice for employees that are working conditions that have consistent shifts from Out doors to In doors and Vice versa. The Indoor outdoor lens is always adjusting to allow the proper amount of light for the User's vision. The Lenses will be clear like normal safety glasses when indoors but then adjust to a gray shaded lens in bright outdoor conditions. The Stylish Pyramex ITEK Safety Glasses combine sleek style, with a polycarbonate lenses for the ultimate in protection and style all combined at the same time into ITEK safety glasses. The Indoor outdoor lens offer several safety glasses all in one. The new design ITEK Safety Glasses with a ventilated nose piece allows heat and warmth from the face to dissipate from nose bridge to reduce fogging allowing the Lens to stay clear. Keeps the user's vision clear and unobstructed. A Soft dual injected rubber temple tips and flexible nose piece provide non-slip comfort.