Puma PWR Frame TR2 Running Shoes have a new and improved upper with V1 and PWRFrame technology at the front of the foot to provide support and stability through explosive movement.Features: Textile exterior Responsive midsole Characteristic Puma bands on the medial and lateral sides Technology: PWRFrame Designed specifically for forefoot support during explosive movements. ProFoam Lightweight EVA designed to cushion and boost each stride Pumagrip Made of rubber with long-lasting performance for traction on all kinds of surfaces PWRTape Upper reinforcement specifically for support and durability