Sunglasses TheViz Sierra. Timeless cool, polarized clarity. Casual, classic, and effortless to wear, TheViz Sierra pairs timeless design with the performance of polarized clarity. The glare-cutting lenses filter reflections from water, snow, and wet roads for sharper vision and reduced eye strain, while the biopolymer frame with stainless steel temples balances comfort and durability. With its iconic shape and laid-back attitude, TheViz Sierra delivers timeless cool that never goes out of style. Size: Fits medium to large faces. Frame Material: Biopolymer frame and adjustable stainless steel temples. Lens: Polarized polycarbonate lens. Filters out glare from reflective surfaces like water, snow, glass, and wet roads for clearer vision and reduced eye strain. Other Features: Adjustable metal temples. Protective rubber sleeve included.