The Mizuno Wave Rebellion Pro is a lightweight, carbon-plated racing shoe designed for top-speed marathons. It features ENERZY LITE foam, a carbon-reinforced Wave Plate, and SmoothSpeed Assist for propulsion and efficiency. The 4mm drop, 39mm heel stack, and G3 outsole deliver cushioning, grip, and reduced weight. The breathable upper includes recycled materials for sustainability.7.7 oz Weighs .