The bottom loved by both stylists and celebs is now back. This “classic-with-a-twist” bottom offers shirred shaping down the back for a smooth fit, and side ties accented with our matte gold rings, and beads. Bicoastal back coverage. The basis for our iconic LBB, this EcoLux™ classic black is a superfine jersey with a subtle sheen. EcoLux™ is a blend of Repreve® RECYCLED nylon fiber and LYCRA® XTRA LIFE™ fiber for a gorgeous, long-lasting fit.