Kanut Women's Whitestone Protectant Sun Hat - Kanut created the Whetstone sun hat from a revolutionary 100% polyester “straw” that offers the look of a natural material but with the durability of performance fabric. You can expect sun protection and maximum air flow from the Whetstone as you enjoy your outdoor activities. You can also crush it and stow it for a trip to the beach! Sun Hat Shell fabric: 100% Polyester Sun protection Breathable Braided Leather Cord Style: SS22W21