Anything to measure the crown of your head and a ruler.
Start
Step 2 - How Do I Measure Myself?
Wrap your measuring tool around your head. Make sure the bottom touches right above your eyebrows while going straight around your head. Compare that measurement against a ruler to get your size. Enter the number below and press "NEXT"
Step 3 - This Is Your Hat Size
You can save it to your profile or start shopping your size right now.
Tilley is defined in part by our ability to reach out to people like you who care about the very things that they use our products for. This means more than looking good and feeling good in the products we make. It means taking an interest in what positive change means to you and how we can support partners and projects that are meaningful.
We believe that the benefit of time spent outside is immeasurable. The outdoors will look as pristine and inviting as the people using it and maintaining it for years to come. So join us on a journey of keeping and making outdoor spaces we love remain great. Discover how your hiking habits can make a difference that is meaningful to the environment and motivating to others. Making an effort to protect the places you love to hike is a priceless gift.