When you touch it, you feel México. The Tulum is a luxurious summer hat that is made by hand in México from palm straw. You can see the craftsmanship in the fine wickerwork. The natural materials make it a beautiful eye-catcher that also provides sun protection. The rope around the crown is perfect for a boho-chic Tulum vacation. Size Each Sandoval hat has an elastic band on the inside that adapts to the size of your head. This is size M and fits a head size of approximately 56.5-58.5cm.