What Our Gearhead(R) Experts Are Saying:"This headband is a year-round essential for me. It keeps my ears warm in chilly weather while remaining breathable enough for high-output activities like hiking and ski touring. The Merino wool blend is super soft and naturally resists odors, making it a reliable companion for long days outdoors."Whether you're layering up for a winter hike or keeping your ears warm on a brisk morning run, the Tree Wool Headband is built for comfort and performance. Crafted from a natural blend of Merino wool and biodegradable Lyocell, it provides breathable warmth while naturally managing moisture and odor. Lightweight and easy to pack, this headband transitions seamlessly across all four seasons. It's soft against the skin and stays put through high-intensity activities, making it an essential addition to any outdoor kit. Stay warm, dry, and comfortable no matter the adventure.