Formal wedding attire typically requires a dark suit in navy, charcoal, or black, paired with a crisp dress shirt and silk tie
The uniforms of the Royal Naval Reserve, the Royal Fleet Auxiliary, the Maritime Volunteer Service, the Sea Cadet Corps, the Navy branch of the Combined Cadet Force and the Volunteer Cadet Corps, as well as modern uniforms of Trinity House, the Royal Australian Navy, the Royal New Zealand Navy, the Royal Malaysian Navy and the Indian Navy are virtually identical to Royal Naval uniforms, with the exception of flashes at shoulder height and on rank slides
It does have some added sugar, but we are talking 0.5g per tablespoon
Facebook groups and Poshmark are also good options
XL: Bust 31.9-38.6 in (81-98 cm), Waist 28.3-31.5 in (72-80 cm), Length 34.3-40.2 in (87-102 cm), Hips 28.3 in (72 cm)