NWOT Outdoor Research Helios Sun Hat. Size M. Note: this is Unisex- see sizing chart. Khaki (tan-khaki) color. 50+ UPF rated, broad brim hat. Machine washable, nylon/polyester blend. Lightweight and stylish! This hat has an external drawcord that adjusts to provide a comfortable fit. Great for walking, hiking or just being in the sun. See pictures for more details.