This relaxed casual combo of a dark brown long sleeve t-shirt and skinny jeans is a real lifesaver when you need to look dapper in a flash. Dial up the appeal of this look by rounding off with a pair of beige suede chelsea boots. If you're searching for a killer outfit that transitions easily into spring, this one is great. Wondering how to perfect casual looks as you cruise through your 20s? This combo is the perfect answer.