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SmartCells® Insoles have evolved into Zelus Insoles.

What are Zelus Insoles?

Well, when SATECH, Inc.’s patented SmartCells anti-fatigue cushioning technology joined forces with decades of custom orthotic expertise from Fastech Labs, a new breed of insole was created.

Meet Zelus. The insole to end all insoles.

Get ready to feel the zeal at

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