Yeah, your knees. It’s an old bowling injury. Maybe arthritis, but you sure don’t want to admit it. Whatever the reason, you’re thinking (or maybe the doc is suggesting) a knee brace or sleeve might be a good idea. Today’s sleeves are sleek, sometimes colorful and definitely way more cool than those of a generation ago. There are a variety of open and closed knee supports, some with additional stabilizing features. Here are three factors to help you decide which might be right for you.