Trending Casual Groom Attire Khaki / If the bride has chosen a chic lace if you're dreaming of a destination elopement or simply an intimate elopement with close friends, opt for a casual tone in your groom's wedding attire. Jeans (must be clean and free of rips, tears and fraying; Casual Groom Attire Khaki : The modern groom now approaches his wedding day attire as a reflection of his style and personality.