This city casual pairing of a grey v-neck sweater and skinny jeans is extremely easy to put together in next to no time, helping you look dapper and ready for anything without spending too much time combing through your wardrobe. White athletic shoes are a guaranteed way to add a touch of stylish nonchalance to this look. Gents who are curious how to pull off modern off-duty dressing as you reach your 30s, you have your answer.