Truboo is a DK weight mix of bamboo and viscose that perfect for those who love working with natural fibers. This eco-friendly yarn is soft and breathable, making it great for breezy garments that are perfect for transitioning from spring into summer. Truboo was one of four Lion Brand yarns to receive a Business Intelligence Sustainability Award for 2022. Truboo is a DK weight mix of bamboo and viscose that perfect for those who love working with natural fibers.