VKTRY Silver Training Insoles Size:8 Resistance System: Magnetic Eddy current

Resistance System: Magnetic Eddy current with SprintShift resistance lever

and valine

like your phone

Extremely small and compact

Rated Time: 4

VKTRY Silver Training Insoles Size:8 Resistance System: Magnetic Eddy currentVKTRY Silver Training Insoles A more affordable evolution of the original gold VK. Made with a high quality carbon fiber composite. The VKTRY Performance Insole is the first ever sports insole designed to return the energy an athlete generates as explosive power, speed and agility. The insoles carbon fiber design increases explosiveness by an average of +9. 3%, which immediately translates to running faster and jumping higher. Most sports insoles are