Elevate your performance with the RED HARE 9 ULTRA, a high-performance racing and training sneaker designed for the serious runner. Engineered with professional-grade technology, these shoes offer a perfect balance of stability, lightweight comfort, and explosive energy return for distances up to 10km.

Key Technical Features

• SUPER BOOM Midsole: An advanced evolution of cushioning technology. It features a refined microcell structure that significantly reduces weight while providing a balanced rebound that adapts to professional athletic demands.

   

• BOOM FIBER Upper: Crafted from a specialized thermoplastic elastomer "silk," this upper is woven to be incredibly lightweight and breathable. It maintains its shape over time and offers superior durability compared to standard fibers.

• BOOM Technology: Independently developed supercritical fluid foaming process that delivers exceptional energy return and a long-lasting life cycle for the midsole.

• Stability & Grip: Designed specifically for concrete surfaces, the durable rubber outsole ensures maximum traction and steady foot placement during high-speed runs.

Specifications

Size & Fit Guide

For the best performance, these shoes fit true to size. To ensure the most comfortable fit, please refer to your foot measurement in centimeters.

Note: Our professional insoles are designed to be 0.5–1 cm longer than the foot to allow for natural movement and comfort during intense training.

Order Acknowledgement

• Craftsmanship: Minor glue marks may be visible due to the professional manufacturing process; this is a standard characteristic and not a defect.

• Packaging: Due to the nature of international transit, the original shoebox may show minor signs of wear upon arrival.