Although “18th generation” isn’t a recognized official label from Balenciaga, the sneaker you're describing fits best with the Balenciaga Runner Sneaker in an all-black-and-white palette—featuring a high-contrast, sporty aesthetic and mesh-overlay construction.
SKU: 617196W2DC4...
SKU: 820315W2DC4...
SKU: 815859 W2MV...
SKU: 841763 WCUR...