WHY CURREX RUNPRO? </b> <br><br> Rated #1 in Comfort & Foot Pressure Relief*. Designed by leading German sports scientists. CURREX are reported to significantly improve the comfort & support of running shoes, which may help to reduce injuries & pain from plantar fasciitis & other common foot problems. Each insole boasts a different shape, arch height & flex, allowing for a customized fit for your unique foot shape. *Scientific Study, German Sports University of Cologne, Germany</b> <br><br> TECHNICAL ADVANTAGES: </b> Deep decoupled heel cup For perfect fit, wrap and lock </b> Bamboo for moisture wicking & charcoal to reduce odor </b> PORON heel cushion for rebound & shock absorption </b> 3D Dynamic Arch for anatomic support, dynamic stability & less fatigue </b> PROPO+ for maximum rebound & powerful propulsion </b>