The Sidas Custom Run Insole is the best way to stay comfortable every time you run. The insole forms to your exact foot shape, giving you custom comfort that is for you and you only. An IonFoam top cover provides 2.5mm of cushion and is antibacterial. The heel is reinforced with an extra 1.1mm as is the middle of the foot. A Jogtene pad layer adds 2.2mm of comfort with propulsion properties. The Primetech and Comfortene pads work together to absorb the shock of the road to keep runners feeling fresh. The Sidi Custom Run Insole is the perfect way to stay fresh on a run.