Less than 1% of clothing is recycled into new clothing. Not because the technology doesn't exist — but because most garments are designed without their end of life in mind. Circular design changes that. This guide covers the five core principles: mono-material construction, designing for disassembly, using recyclable and compostable fibres, extending a garment's active life, and closing the loop through take-back and resale. With examples from Gabriela Hearst, Helly Hansen, a