If you were told you can ditch your coat in warmer weather, we say poppycock! Our handsome Grosvenor Frock Coat will keep you comfortable and suited up to social norms in mild to moderate weather.Before the shorter, boxy jacket of the sack suit (still being worn today), the frock coat was the standard silhouette for men. Longer and seamed at the waist, our vintage-look coat features brown herringbone fabric, three button front, a notched lapel and intricate detailing on the back…