Rocky Brands has reported a 28.2 percent sales increase to $78.9 million for the fourth quarter of 2014. Operating income went up by 8 percent to $6,970,994, and net earnings rose to $4.5 million from $1.8 million in the year-ago period. The gross margin declined slightly to 35.0 percent of sales in the period because of a higher proportion of military sales. The Creative Recreation line of sneakers, which was acquired in December 2013, contributed sales of $3.3 million in the quarter. For the full financial year, sales went up by 16.9 percent to $296.2 million, with increases in its work, western, hunting and commercial military collections.