Finally. Finally, old man winter has decided to relinquish his frosty grip on cities across the country. Or at least we sincerely hope he has. Frigid temperatures are slowly beginning to warm, and the snow will shortly depart on a much welcomed seasonal hiatus. With the urban landscape steadily clearing of ice and snow, a gentleman can once again equip his feet with some fashionable kicks-absent the worry of inclement weather. Here are four trends to watch for…