Helen Kaminski | Accessories | Helen Kaminski Classic 5 Turn 。The HELEN KAMINSKI Original Raffia Straw Hat is a stylish and versatile accessory for women. Made from breathable straw material, this one-size hat features a wide brim for excellent UV protection. Perfect for casual or travel occasions, the natural black tie design adds a touch of sophistication. With its minimalist and coastal theme, this sun hat is ideal for summer, fall, and spring seasons. Handmade in Australia, this hat exudes a sense of quiet luxury and classic style that is perfect for the fashion-forward woman. There does not seem to be a size listed so here are some measurements; the opening of the hat from the forehead to the back of the head measures 7 1/4 inches; the opening of the hat from side to side measures 6 1/2 inches.