When you love to stay active in cold weather, any added bulk can drag you down. Keep your head warm without having to constantly adjust your gear with a Smartwool Merino Beanie. Designed for a secure, non-bulky fit, this lightweight hat can hold up whether running, skiing, or exploring the great outdoors. Its slim design makes it easy to wear under a helmet, helping you stay safe while keeping in the warmth. It is made with Merino wool and nylon, which makes it breathable, stretchy, and moisture-wicking.