These nubuck low top sneakers are the perfect staple to build your looks from the ground up. Sap Shoe Silhouette: FASHION ATHLETICS. Sap Upper: LOW TOP SNEAKER. Sap Heel Type: FLAT OR NO HEEL. Sap Toe Shape: ROUND. Silhouette: Low top sneaker. Toe Shape: Closed round toe. Closure type: Laces closure. Upper: Leather. Main: Nubuck. Sole: Rubber.