An orienteering whistle is a small yet essential safety item for women who enjoy orienteering. Look for a whistle that is lightweight, durable, and produces a loud sound. Some whistles also come with additional features like a built-in compass or a thermometer, which can be useful in emergency situations. With an orienteering whistle, she can attract attention and signal for help if needed. It's a practical gift that can potentially save lives and enhance her safety during orienteering adventures.