Sustainable fashion expert Moya Doogan wearing her favourite wool jumperBuy well“If you buy wool well, you buy once,” Doogan says. “While initially more expensive, a good woollen geansaí will last for life, whereas an acrylic jumper might last a couple of washes before losing its shape and shine. “Not only will real wool garments last generations if cared for correctly, but they can also biodegrade without harming the environment if they end up in landfill. When it comes time for washing, “wool needs a low heat and a very gentle spin cycle,” she advises. If you’re handy with a needle, Doogan recommends watching YouTube videos to learn how to darn your own garments.