Puma Shoes (Trainers) SMASH 3.0. Available in men's sizes 6, 7.5, 8. These stylish trainers from Puma feature a Marine fabric upper for a great look. A great design for the season. Model number: 390984-03. Also known as PUMA Smash 3.0 (SNKR/Skate/Unisex/Low Top/Non-Slip/Wear-resistant).