Circular footwear is a lesson in new business models. Solk’s Fade 101 sneaker — six years in development — proved it’s possible to make stylish, everyday shoes designed to compost. Chrome-free leather, plant-based linings, natural rubber soles. All tested to biodegrade safely and in a reasonable time-frame. Back-end done: Solk even built its own composting infrastructure. But this isn’t exclusive to shoes. Circular models point to smarter design from first use to end of life — and more...