Great for City-Wear, Golfing, Traveling, and Fly Fishing; the LTM5 is a medium-brim Tilley Hat. The brim width is 2 5/8" in the front, 2 3/4 in back, and 2 1/8" on the sides. The weight is about 3 oz. This is an Airflow(R) hat with mesh incorporated into the crown allowing coolness and comfort on hot days. Airflow(R) hats are made from Tilley Nylamtium(R) and provide cool sun protection in a lighterweight construction. Certified Untraviolet Protection Factor (UPF) of 50+, the highest rating available. Color Khaki has an Olive underbrim. The hat ties-on in the wind. Water repellent, machine washable (won't shrink).