Ibex Apparel | Merino Wool Clothing | Performance Wear for Everywhere – Ibex | The Merino Difference. Buy Better. Ibex merino wool is no ordinary wool. It’s New Zealand and Australian-grown Merino – a natural high-performance fiber. Merino Sheep live through cold winters and hot summers wearing the same, woolly smile. So, whatever the weather or occasion, Ibex merino wool clothing has you covered.