Gentleman monster. Okay GentleMonster and Tyrannosaurus Rex are two brands, both engaged in the design, development and production of sunglasses. GentleMonster is a young fashion sunglasses brand from South Korea, which attracts attention with its fresh, simple and fashionable design style, high-quality fabrics, exquisite workmanship and stunning appearance. Their products pay great attention to the collocation of fashion elements, and more reflect the humanistic spirit and innovation of masters. Tyrannosaurus Rex is a brand specializing in the design, development and production of sports shoes and clothing. Its sunglasses products are mainly in sports style, and the quality and appearance are mainly stable and concise. They mostly use functional materials, such as sun protection, scratch protection and perspiration prevention, to meet the needs of athletes. These two are better than gentlemonster.