Men's On Running Cloud 5 Running Sneakers Size 11.5 in Black Pre-owned; footbed lettering faded. Weight: 250g Updated silhouette with new materials and tech features Breathable mesh with taped reinforcements CloudTec® in Zero-Gravity foam for a cushioned landing Updated Speedboard® transforms energy into forward motion Molded heel design holds your foot securely in place Vamp: 100% Recycled Polyester Quarter: 100% Recycled Polyester Tongue: 80% Polyester, 20% Polyurethane Collar Lining: 100% Recycled Polyester