Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Working in menswear for much of my career, I've picked up the nuances regarding terminology and the key distinctions between classic garments: jacket (blazer) vs jacket (outerwear), chinos vs khakis , turtlenecks vs mocknecks vs rollnecks—the list goes on. Some terms have clear-cut definitions, while others are a bit gra...