If you’re looking for more warmth than a Merino Wool Base Layer but want a lightweight layer that’s perfect for when the weather is really cold then the Women's Merino Wool Mid Layers are for you. We offer a range of warm and comfortable high performing Mid Layers for all of your outdoor adventures. Made with superfine Australian Merino Wool, these Thermal Mid Layers are just as soft as they are warm. Shop Women's High-Performance Mid Layers.