The process of trying on shoes is never a case of one-size-fits-all. Footwear currently comes in structured sizing and three widths: narrow, medium and wide. For most consumers, finding a size range that fits is what’s typically done. But when we look at foot sizing, there are many variations and nuances to getting the right fit. That’s where SOLS comes in. SOLS, a startup based in New York, that specializes in creating personalized 3D-printed corrective insoles for footwear.