ESS Eye Safety Systems ICE-One Ballistic Eyeshield, Clear Lens "Frameless" design provides unlimited field of view. Interchangeable 2.4mm high-impact Polycarbonate lenses. Distortion-free optics and complete UVA/UVB protection. ESS proprietary ToughZone anti-scratch lens coatings. Pliable earwires and extendable temples for custom fit.