The XO-SOLE Rev 4 Starter Pack is a product many years in the making. For over seven years, we have been dedicated to a single mission: to unchain Ground Reaction Force analysis from the traditional lab. The XO-SOLE is the result of that dedication—a validated, high-fidelity in-shoe sensor system designed for the rigorous demands of researchers, biomechanists, and clinicians. Move beyond the limitations of force plates and capture accurate, reliable GRF data in the field, on the track, or in the clinic.

Key Features & Benefits

• Lab-Validated Accuracy: A comprehensive laboratory study with over 65 participants confirms the XO-SOLE's exceptional accuracy for GRF measurement. Trust your data.
• Collect Data in Any Environment: The untethered, in-shoe design liberates your research. Analyze gait, running, and athletic movements in their natural context.
• Full Access to Raw Data: We believe your data is yours. Export raw sensor data directly from the XO-SOLE for complete control and analysis in your preferred software (MATLAB, Python, R, etc.).
• Designed for Researchers: With features like multi-unit synchronization, long-life battery for extended data collection, and a robust software suite, the XO-SOLE is built for the workflow of a modern research lab.
• Durable & Reliable Construction: Built to withstand the demands of repeated trials and high-impact activities, ensuring a long and productive life for your investment.

The Science & Validation

Credibility is not claimed; it's proven. The XO-SOLE is the culmination of over seven years of meticulous research and development.

Our system's accuracy was put to the test in a comprehensive laboratory study against gold-standard force plates. This validation, involving over 65 diverse participants, forms the foundation of our commitment to providing data you can rely on for your own research and publications. We believe in transparency and are making our full internal validation report available for your review.

Technical Specifications

A Platform That Evolves With Your Research

Our work on the XO-SOLE didn't stop at validation; it was just the beginning. Our dedicated biomechanics and engineering teams are in a state of continuous innovation, constantly analyzing data to develop more powerful processing algorithms.

As we discover novel ways to enhance accuracy and derive new biomechanical insights, we roll these improvements out to our users. This means the XO-SOLE you purchase today will become even more powerful and precise over time, ensuring your investment is future-proof and your research always remains on the cutting edge.