PWRRUN PB's energy-efficient technology features super foam cushioning to hold you back. PWRRUN Support frame increases durability and guides the foot on long trails. Sealed breathable mesh keeps feet ventilated and protected from dirt. The agile 4.5mm high lugs and grippy PWRTRAC outsole provide a solid connection to the terrain. TECHNOLOGY off-road racing/ everyday off-road cushioning: PWRRUN PB/PWRRUN Support Frame insole: PWRRUN+ earbuds: 4.5mm drop: 6mm (32.5/26.5 mm) WEIGHT men 272g