Excellent condition Worn only a few times Big kids size 6 = Women’s size 7.5 Perfect fit Nike Cortez Basic SL VTF BACK TO THE BASICS. The Nike Cortez Basic SL VTF is modeled after the original designed by Nike’s cofounder, Bill Bowerman. Lightweight cushioning and durable material mean classic comfort. Synthetic leather is durable and supportive. Foam provides low-profile cushioning. Rubber outsole delivers durable traction.