MAXX HD Maxx 1 TR90 Half Frame Sunglasses All Sport, Color Choice. MAXX1 TR90 polycarbonate frame polycarbonate lens mirrored Shatterproof polycarbonate. Manufactured in an ISO 9000 and 9001 certified factory TR90 Frames (Thermoplastic polymer) No peripheral distortion. Improves depth perception. Reduces glare and haze UV400 rated  100% protection from UVA and UVB rays Enhances clarity and grately improves contrast; sharpens details, even at a distance