Midweight base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings are a warmer version of our best-selling Oasis Leggings, made with 100% merino wool. 100% Merino wool (excluding waistband) - Soft, lightweight and naturally odour resistant fibre that keeps you warm when it's cold and cool when it's warm. Gusset for mobility and comfort. Flatlock seams to help reduce friction.