NWOT Smartwool Merino Beanie, Light Gray Heather, One size. Check out my other similar outdoors and smartwool apparel! MEASUREMENTS: - 7" tall - 10" width FEATURES: The Merino Beanie is a lightweight, year-round essential. Run in it, skate-ski in it, or wear it under a helmet for a chilly morning bike commute. With clean seams for a no-bulk fit and the benefits of Merino, the comfort of this men's and women's hat will help keep you focused on wherever you're headed.