<ul> <li>For cold weather or covering up bedhead, the versatile Smartwool® Reflective Lid Hat beanie fits your noodle-covering needs.</li> <li>Single-layer jersey knit construction with reflective details for increased low-light visibility.</li> <li>Interior headband liner.</li> <li>One size fits most.</li> <li>Shell: 50% merino wool, 50% acrylic.</li> <li>Machine wash, dry flat.</li> <li>Imported.</li> <li class="measurements">Measurements: <ul> <li> Circumference: 20 in</li> </ul> </li> </ul>