![General result](/assets/icons/general-result-9ea67685c50066d7451d9b5bf499ab44240676ebf8ed3580a2970f21d9efda51.png)
When you do need new clothes, you will usually be choosing among four major types of fibers: oil-based synthetics, cotton, rayon and wool. Their environmental trade-offs are so varied that a definitive ranking would be impossible. But here’s what we know, so you can make more informed decisions.