Apparel maker Perry Ellis International Inc on Tuesday reported a 10 per cent climb in third quarter net profit and said it remains very confident its recently integrated Jantzen swimwear business will be profitable. The Florida-based company, whose brands include Perry Ellis, John Henry and Natural Issue, posted quarterly net income of $1.1 million versus $1m in the year-ago period amid a five per cent jump in sales to $63m from $60m.