Key Features

• Double-layer Helion™ HF hyperfoam midsole for lightweight, max-energy return. Combined with a cushioned heel, landings and push-offs feel energized and comfortable

• Carbon-infused Speedboard® delivers powerful propulsion with each stride. The glass fiber-infused Speedboard® enhances efficiency and confidence. It's geometry is engineered to support all types of running styles.

• Aggressive rocker geometry promotes smooth, rolling transitions

• Engineered mesh upper offers breathable, race-ready lockdown. It cleverly molds and adjusts to your foot's movements over long distances and time. Feels like nothing, so you can focus on the race.

• Rubber outsole reinforcements in high-abrasion zones for grip and durability

• High-stack platform ensures long-distance comfort with speed

• Designed specifically for marathons and long-distance racing. This elite-level super shoe features re-engineered components and geometries that provide marathon runners of all levels with soft, responsive cushioning, absorbing impact, maximizing efficiency, and boosting confidence to reach their goals.

• Ideal for everyday runners with marathon target times of about four hours or more.

Specifications

• Weight: Approx. 8.5 oz (Men’s US 9) / 7.0 oz (Women’s US 8)

• Heel-to-Toe Drop: 8mm

• Support Type: Neutral

• Cushion Level: Responsive, max-stack race cushioning

• Best For: Marathon racing, tempo runs, competitive road races

• Ride Feel: Snappy, energetic, and efficient

Materials

• Upper: Engineered mesh made from recycled polyester (lightweight & breathable)

• Midsole: Dual-density Helion™ HF foam with carbon-infused Speedboard®

• Outsole: Durable rubber in high-impact zones for traction and stability

• Sustainability: Contains recycled content in the upper materials