Standards: ANSI Z80.3,AS/NZS 1067.1,ISO 12312-1; Shape: Cylindrical; Antiscratch: Yes; Color: Photochromic Red Mirror; VLT: 87-15%; Filter Category: 0 - 3; Hydrophobic: Yes; Alibi Nosepad: Bridge; Weight: 25gr; Comes with an alternative nose pad (bridge) allowing you to fine-tune the fit for your unique facial structure for optimal security and comfort