Our Kate Pj's will be your new favorite! Now available in a boxer set. Made from the luxuriously soft Modal, you'll find it hard to get out of bed. Botanic Fiber Elastic Waist Loose Fit 92% Modal 8% Elastane Why buy Lenzing Modal? Lenzing TENCEL™ Modal fibers help to maintain the environmental balance by being integrated into nature's cycle. The fibres originate from the renewable raw material wood, created by photosynthesis. The certified biobased fibres are manufactured using an environmentally responsible production process. The fibres are certified as compostable and biodegradable, and thus can fully revert back to nature.