PUMA men's sports shoes with PWRFRAME technology for increased stability Set the foundation for training with the great Puma Men Pwrframe TR 2 shoes (code 377970-11). They feature a new, improved upper over version 1 and PWRFRAME technology in the forefoot that provides support and stability through explosive movement.PWRFRAME: Ultra-thin TPU frame strategically placed in high wear areas for lightweight support and increased stability PROFOAM: Lightweight EVA material designed to , to cushion impact and power your next step forward PUMAGRIP: Durable high-performance rubber compound for all-surface traction PWRTAPE: Targeted upper reinforcement for support and durability