This laid-back combo of a light blue long sleeve shirt and white skinny jeans can take on different forms according to how you style it. Add navy suede driving shoes to the equation for a touch of refinement. So if it's a boiling hot warm weather afternoon and you want to look dapper without putting too much effort, this ensemble will do the job in seconds time. And if we're talking casual fashion for 20-year-old men, this combination is perfect.