She is wearing tights similar here: Black Matte Transparent Tights
Perfect for everyday, these tights will be your beloved accessory that you won't stop talking about. They're soft, comfortable, and stylish, seriously, so what's not to love? Comes in an array of colors. Supersoft matte transparent look. Excellent stretch due to the double-wrapped elastane design. Cotton gusset. Shadowed toe reinforcement. ; Elastic waistband.