[Reference retail price: ¥56,100] [Size:44□22-144】 The brand's first round type, named after the symbol "φ" (Phi), which represents the ratio of the golden ratio. As a design accent, the golden ratio of 1.618:1 is incorporated into the top and bottom ratio of the intentionally divided slits. A new expression was created by combining two universal elements: the round eyeglass design, which has been popular since ancient times, and the golden ratio, which is said to be the most beautiful ratio of harmony that exists in nature.