Brand new in box Hyperion max 4. • 10.1 oz • Stack Height: 45 mm (heel) • Heel-to-Toe Drop: 6 mm • Support Type: Neutral • Dual-Foam Setup: Features a springy top layer of DNA Gold (PEBA) foam combined with a supportive bottom layer of DNA Flash v2 (supercritical EVA). • Propulsion: Uses an embedded nylon SpeedVault plate to offer a stiff, rolling, and responsive transition. • Rocker Geometry: Features a RapidRoll™ Rocker designed to keep turnover fast Bought to train for a marathon but never ended up wearing them.