Heelium, a D2C performance wear brand, is gaining traction in India's fast-growing activewear segment.The brand specializes in bamboo-based performance wear, offering sustainable and high-quality alternatives to synthetic fabrics.Heelium has achieved growth through a digital-first approach and strong presence on online marketplaces.In the future, Heelium aims to expand its product lines, increase revenue, and establish an offline retail presence.