The Spectrum Hamilton includes the following features: unique hand-crafted wood frame, the actual color may differ from the picture due to the grain., anti-scatch and anti-fog multi-layer TAC polarized lenses, elimates 100% of UVA/UVB light., eco-friendly sustainable wood arms, spring-loaded stainless steel hinges, natural wood product is recyclable biodegradable non-toxic., 100% fda approved, moisture and water resistant,
