Leading footwear designer and marketer Maxwell Shoe Co Inc on Thursday reported a 12.1 per cent climb in fourth quarter net profit to $4.1 million from $3.7m in the year-ago period thanks to soaring sales. The Massachusetts-based company, whose brands include Joan & David, AK Anne Klein, and Sam & Libby, said net sales for the 13 weeks ended October 31 climbed 22 per cent to $65m from $53.2m in 2001.