both - GAO CHELSEA boots combine sleek style with practicality. Made with high-quality calf leather, these white chelsea boots feature an EVA & rubber sole for added comfort and durability. Perfect for any occasion, these boots will elevate any outfit with their timeless design. PRODUCT INFO Style #: P26HS-B001CO-01010 Upper: 80% Calf Leather + 20% Cotton Outsole: 70% EVA + 30% Rubber