Merino wool is derived from merino sheep, and concerns have been raised about the welfare of these animals in the wool industry. Some practices, such as mulesing (a procedure to prevent flystrike), have been criticized for causing unnecessary harm to the sheep. However, not all merino wool production involves cruel practices, and there are companies that prioritize ethical treatment of animals in their supply chain. It is important for consumers to research and support brands that adhere to high animal welfare standards in their wool production. **

Merino wool is labeled based on its micron count, which refers to the diameter of the individual fibers. The lower the micron count, the finer and softer the wool. Merino wool is typically labeled with its micron count, such as 18.5 microns, 19.5 microns, or 21.5 microns, to indicate its quality and softness. Additionally, merino wool may also be labeled with other information such as its origin, sustainability certifications, and care instructions. **

Wool is neither cotton nor merino wool. Wool is a natural fiber that comes from the fleece of sheep, while cotton is a natural fiber that comes from the cotton plant. Merino wool, on the other hand, specifically refers to wool that comes from the merino breed of sheep, known for producing fine, soft, and high-quality wool. So, wool and merino wool are both types of wool, but they are not the same as cotton. **

Merino clothing for hiking can be purchased at outdoor retailers such as REI, Patagonia, and The North Face. Additionally, online retailers like Backcountry, Moosejaw, and Amazon offer a wide selection of Merino hiking clothing. Many specialty outdoor and hiking stores also carry Merino clothing, so it's worth checking local shops in your area. **

To make a merino wool sweater bigger again, you can try blocking it. Wet the sweater with cold water, gently squeeze out the excess water, and then lay it flat on a towel. Gently stretch the sweater to the desired size and shape, pin it in place, and let it air dry. You can also try taking it to a professional tailor who may be able to add extra fabric or make alterations to increase its size. Keep in mind that merino wool is delicate, so be gentle when stretching or altering the sweater to avoid damaging the fabric. **

Merino wool can sometimes feel itchy on the head because of the fine fibers in the wool that can irritate sensitive skin. Additionally, the natural lanolin in merino wool, which gives it its softness and moisture-wicking properties, can also cause some people to experience itchiness. It's important to note that not everyone will find merino wool itchy, as individual sensitivity to wool can vary. Choosing a merino wool hat with a finer gauge or a blend with other materials like silk or cashmere can help reduce the itchiness. **

To properly care for and wash 100% merino wool, it is important to hand wash it in cold water with a gentle wool detergent. Avoid using hot water or harsh chemicals as they can cause the wool to shrink or become damaged. Gently squeeze out excess water and avoid wringing or twisting the fabric. Lay the garment flat to dry, reshaping it if necessary. It is also recommended to store merino wool in a cool, dry place to prevent any potential damage. **

Merino wool is the warmest material among the options listed. It is known for its excellent insulation properties, as it can trap air and keep the body warm in cold weather. Additionally, merino wool is also moisture-wicking, meaning it can keep the body dry and comfortable during physical activities. This makes it a popular choice for winter leggings. **