Lawyers from two Am Law 100 firms are breaking out the black lights and putting on their favorite band T-shirts to advise on the $600 million sale of teenage clothing retailer Hot Topic to Sycamore Partners, the latest in a trio of retail-related transactions by the New York–based private equity firm.

Barbara Borden, head of the M&A practice at Cooley in San Diego, is leading a team from the firm advising City of Industry, California–based Hot Topic on its sale to Sycamore.