It's back for more, although it never really went anywhere.  The ubiquitous Chelsea Boot has it levels but the most classic and stylish always stand out as winners as is the case with this one from Saint Laurent.  With its clean and polished black leather with the perfectly shaped toe, elasticized side panels and heel tab, this boot is a simple highbrow stunner.  What's key to remember about the Chelsea is its versatility with normal length to high plain or cuffed trousers or even jeans.  The sleek streamlined boot height allows for perfect ankle coverage without interference from the boot at any point.  Available now at Mr.Porter.com.