ADVERTISEMENTTennis superstar Serena Williams appears in the launch campaign for NikeSkims. Products launch Sept. 26 on Nike and Skims’ websites and at select stores, including both brands’ flagships in New York and Los Angeles. NikeSkims launch campaign features 50 athletes, including collegiate stars alongside gymnast Jordan Chiles, track star Sha’Carri Richardson and Serena Williams. (Courtesy)The debut features 58 pieces — from sports bras and leggings to bodysuits and tops — in Skims’ muted tones of brown, burgundy and chrome-like black. NikeSkims marks Nike’s first new sub-brand since launching Michael Jordan’s namesake label roughly four decades ago — underscoring the scale of the bet.