Ten years in the making, the Concept X introduces Carbon 10, a new version of our patented Load ‘N Launch® spring-based technology that first propelled athletes higher and was banned by the NBA.The Concept X introduces a new version of the spring-based technology that first propelled athletes higher and was banned by the NBA; Load ‘N Launch Carbon 10. For the first time ever, APL has used a full-length carbon fiber plate that acts as a springboard to efficiently transfer energy with every step. Beneath the carbon plate sits a larger device with 10, larger coil springs strategically positioned throughout the forefoot. Each piece is tuned to work in conjunction with one another to provide ultimate energy return and enhanced elevation.
