Our classic squared frame made with crossgrained walnut and a carbon fiber core with adjustable earpieces. Native to the United States, Walnut Claro showcases deep, warm browns with beautiful grain patterns, making it a sustainable choice for woodworking. With a long history of use in fine furniture and cabinetry, Walnut Claro continues to be a preferred wood for artisans,Italian Ebony, originating in Italy's verdant woodlands, emanates an enduring sense of grace with its profound obsidian hue. Guided by responsible harvesting methods, this opulent wood embodies a commitment to sustainability. Notably, it is crafted from sustainably grown poplar, a noble endeavor aimed at preserving an endangered wood species called Macassar Ebony, renowned for its use in crafting the illustrious Stradivarius violin necks