This combination of a purple turtleneck and chinos is well-executed and yet it's easy and ready for anything. Introduce black leather chelsea boots to the equation to effortlessly dial up the fashion factor of your outfit. In the winter season, when warmth is crucial, it can be easy to surrender to a less-than-stylish ensemble in the name of functionality. This ensemble, however, is a shining example that you totally can stay cozy and remain equally stylish during the winter season. Surely a foolproof choice if we're talking dressing ideas for 30-year-old gentlemen.