Puma Smash v2 Kids Sneakers The PUMA Smash v2 is the latest interpretation of the PUMA Smash icon. The tennis-inspired silhouette features a sleek full leather upper with durable rubber outsole for a classic everyday look. Material Information Sockliner: 100% Textile Outsole: 100% Rubber Upper: 53.71% Leather - cow, 43.60% Synthetic, 2.69% Textile Lining: 100% Textile