Icebreaker makes natural apparel made with superfine merino wool. Their merino fiber is grown in the Southern Alps of New Zealand. Durable, lightweight, and soft, merino wool is warm in the winter and cool in the summer. Their versatile range of men's and women's clothing includes base layers, mid-layers, underwear, shirts, and jackets. From city to mountain, Icebreaker is a sustainable choice for the planet!