Spider veins are a collection of dilated veins that look close to the covering of the skin and look like spider webs or like... moreSpider veins are a collection of dilated veins that look close to the covering of the skin and look like spider webs or like the pattern of something. These are small, thin blue blood vessels that are obvious on the skin. Although these are often simple but can be a sign of insufficiency in the veins or potentially serious conditions that might be occurring in the veins of the body. If you can spot a similar kind of pattern then you must be needing the varicose vein treatment midtown.