Lululemon Cool Racerback 92% Nylon, 8% LYCRA Elastane This versatile tank has a slim racerback that stays putand out of your waywhen you're on the move. Light Luon fabric is a lightweight version of the Lululemon's sweat wicking, four way stretch Luon fabric Added LYCRA fibre moves with you and stays in great shape Tight fit, hip length. Light Luon 92% Nylon, 8% Lycra Elastane.