Vietnamese men's apparel brand Coolmate has secured $6 million in Series B funding, led by Vertex Ventures Southeast Asia and India, aimed at accelerating international expansion, product innovation, and enhancing its omnichannel retail strategy across Southeast Asia. Founded in 2019, Coolmate has quickly established itself as a leading e-commerce brand in Vietnam, focusing on sustainable and stylish clothing while minimizing its environmental impact. The recent funding round brings Coolmate's total raised to approximately $10.25 million, following previous investments that supported its growth. CEO Pham Chi Nhu emphasized the company's commitment to responsible business practices and ESG-conscious products. The Vietnamese apparel industry, valued at $6.4 billion, is benefiting from a growing middle class that prioritizes quality and affordability. Gen Ping Liu from Vertex Ventures noted Coolmate's potential as a representative of the new generation of D2C brands in Southeast Asia, connecting local consumer insights with global ambitions.