The Buckle, Inc. announced that comparable store sales for the five-week period ended Dec. 31 increased 8.9 percent. Net sales increased 12.4 percent to $181.8 million from $161.8 million a year ago.

Comparable store net sales year-to-date for the 48-week period increased 8.5 percent. Net sales increased 12.0 percent to $1.003 billion.