Orange. Slippers are a type of shoe with a completely empty heel and only a toe in the front. They are mostly flat-soled and do not require tying shoelaces. Women's slippers are better in orange, as orange slippers look whiter. According to some test results, among many colors, orange, yellow, green and red slippers are actually the most white. The types of slippers are differentiated according to wearing occasions and performance purposes. For example, beach slippers are not made of fabric, but plastic. This is because they are waterproof and easy to clean. The toe type is also specially designed. They are often called flip-flops, which is what we call herringbone slippers. drag.