Performance Guides

High school football player celebrating with his mother after earning a team spot

How an Insole Helped Change My Son’s Football Fate

A Freeior customer shares how carbon fiber performance insoles became part of her son’s football comeback. We also examine what sports-science research says about footwear stiffness, sprint performance, jumping, and...

How an Insole Helped Change My Son’s Football Fate

A Freeior customer shares how carbon fiber performance insoles became part of her son’s football comeback. We also examine what sports-science research says about footwear stiffness, sprint performance, jumping, and...

The 4th Quarter Hack: Defeating "Dead Legs" with Carbon Fiber Propulsion

The 4th Quarter Hack: Defeating "Dead Legs" wit...

Deep into a 7-game playoff series, muscular fatigue destroys your vertical jump. Learn why athletes are turning to rigid explosive soles and carbon fiber technology to artificially boost propulsion and survive...

The 4th Quarter Hack: Defeating "Dead Legs" wit...

Deep into a 7-game playoff series, muscular fatigue destroys your vertical jump. Learn why athletes are turning to rigid explosive soles and carbon fiber technology to artificially boost propulsion and survive...

The Biomechanics of Recovery: How FDA-Registered Orthotics Alleviate Plantar Fasciitis

The Biomechanics of Recovery: How FDA-Registere...

Stop letting heel pain sideline you. Learn the biomechanical science of Ground Reaction Forces (GRF) and discover why Freeior's FDA-registered (No. 3017897644) orthotics provide superior relief for Plantar Fasciitis compared...

The Biomechanics of Recovery: How FDA-Registere...

Stop letting heel pain sideline you. Learn the biomechanical science of Ground Reaction Forces (GRF) and discover why Freeior's FDA-registered (No. 3017897644) orthotics provide superior relief for Plantar Fasciitis compared...

The Biomechanics of Jumping: How Carbon Fiber Insoles Increase Vertical Leap

The Biomechanics of Jumping: How Carbon Fiber I...

Want to add inches to your vertical jump and shave seconds off your sprint? It comes down to footwear biomechanics. Discover how optimizing Longitudinal Bending Stiffness (LBS) with aerospace-grade carbon...

The Biomechanics of Jumping: How Carbon Fiber I...

Want to add inches to your vertical jump and shave seconds off your sprint? It comes down to footwear biomechanics. Discover how optimizing Longitudinal Bending Stiffness (LBS) with aerospace-grade carbon...

The Ultimate Basketball Game-Day Checklist: From Team Jerseys to Carbon Fiber Insoles

The Ultimate Basketball Game-Day Checklist: Fro...

Preparing for a big game? From packing the right team jersey to upgrading your footwear with carbon fiber insoles, here is the ultimate game-day checklist to maximize your athletic performance.

The Ultimate Basketball Game-Day Checklist: Fro...

Preparing for a big game? From packing the right team jersey to upgrading your footwear with carbon fiber insoles, here is the ultimate game-day checklist to maximize your athletic performance.