{"title":"Dress Shoe Insoles","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eDress shoes are built to look a particular way, and support is not part of the brief. The insole inside a new pair of oxfords is usually a piece of thin material glued to the board — decorative more than functional. Add a normal supportive insole and the shoe stops closing properly, the heel slips, or your foot sits too high in the vamp.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eSo most people who need arch support and also need to wear real shoes to work simply go without, five days a week.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe engineering problem is specific: you have almost no vertical room, and you still need the arch to make contact. Thin foam that holds an arch shape under load is harder to make than thick foam that does — there is less material to do the same job, so the material itself has to be better.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eWhich brings up the thing that makes thin insoles fail even faster than thick ones.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eAlmost every insole is built from closed-cell foam — sealed gas bubbles in a rubber matrix. Under repeated load, the bubble walls collapse and stay collapsed. The industry calls it pack-out. In a thick insole you might not notice for a few months. In a thin one there was never any spare height to lose.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eWe call this the Pack-Out Problem.\u003c\/p\u003e\n\u003cp\u003eFusion is our answer to it, and it is the hardest thing we make.\u003c\/p\u003e\n\u003cp\u003eAt 4mm it is the only insole in our line that fits a dress shoe. The rest of the range is 5mm, which sounds like a rounding error until you try it — in an oxford or a loafer, that millimetre is the difference between a shoe that closes properly and one that does not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFusion \u003c\/strong\u003eis exactly what the name says. Where our other models use a single 4mm foam, Fusion uses two, fused: 1.5mm of the same soft foam that goes into Embrace, bonded to 1.5mm of a firmer support layer. Soft where your foot lands, firm where it needs to hold.\u003c\/p\u003e\n\u003cp\u003eDoing that in less space than the single-foam models use is the difficult part. The thinner the layers, the less room there is for the bond to be anything but perfect. That is why Fusion costs more than our standard line — not a different tier of quality, a harder thing to build.\u003c\/p\u003e\n\u003cp\u003eBoth foams are open-cell, so air moves through the material as it loads and unloads. It displaces instead of crushing, and recovers between steps. Look at the cut edge and you can see both layers.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eIt is the one you wear to work, to the wedding, and through the conference where you are standing in the hallway for three hours.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003e\u003cem\u003eWill it fit in a slim dress shoe?\u003c\/em\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThat is what it is built for. Remove the factory insole first — in most dress shoes it comes out, and taking it out frees up more room than Fusion takes up.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003e\u003cem\u003eCan I use it in sneakers too?\u003c\/em\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eYes, though in a shoe with room to spare you would get more out of Embrace or Plush.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003e\u003cem\u003eIs it worth the extra over the standard line?\u003c\/em\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eIf your problem is that nothing fits in your work shoes, yes. If you have room for a normal insole, save the money.\u003c\/p\u003e","products":[{"product_id":"fusion","title":"Fusion","description":"\u003cp\u003e\u003cstrong\u003eThin enough for dress shoes. Steady enough for the whole day.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFusion exists because most people who need arch support also need to wear real shoes to work, and almost no supportive insole fits inside an oxford or a loafer. At 4mm it is the only one in our line that does.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy it costs more\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe name is the construction. Our other four models use a single 4mm foam. Fusion uses two, fused together: 1.5mm of the same soft foam that goes into Embrace, bonded to 1.5mm of a firmer support layer. Soft where your foot lands, firm where it needs to hold.\u003c\/p\u003e\n\u003cp\u003eThe rest of our line is 5mm. Fusion is 4mm. That sounds like a rounding error until you put it in a dress shoe — at 5mm the shoe stops closing the way it should, and at 4mm it does not.\u003c\/p\u003e\n\u003cp\u003eDoing two functional layers in less space than the single-foam models use is the difficult part. The thinner each layer gets, the less room there is for the bond to be anything but perfect. That is why Fusion is priced above the standard line.\u003c\/p\u003e\n\u003cp\u003eLook at the cut edge. You can see both.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWhat makes it different\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eFusion is open-cell, like everything we make. Most insoles use closed-cell foam — sealed gas bubbles that collapse permanently under repeated load, a process called pack-out. In a thick insole you might not notice for months. In a thin one there was never any spare height to lose, which is why most slim insoles feel like nothing within weeks.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eOpen-cell foam displaces rather than crushes, and recovers between steps. Thumb-test it.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWho it is for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDress shoes, loafers, oxfords, anything with a fixed volume\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOffice days that involve more standing than sitting\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAnyone who has given up on support in their work shoes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWho it is not for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIf your shoes have room to spare, Embrace or Plush give more\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eIf you want maximum cushioning, this is the wrong end of the line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eThe details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e35mm arch height, measured to the top of the finished insole — built for the tall end of the arch range. Trim-to-fit\u003c\/li\u003e\n\u003cli\u003e4mm total — 1.5mm Embrace foam + 1.5mm firmer support layer, fused. The thinnest in our line\u003c\/li\u003e\n\u003cli\u003eOpen-center TPU frame — wraps the heel, extends along the inside of the arch as a U instead of a solid plate. The stiffest TPU we use, shaped to flex rather than softened to flex\u003c\/li\u003e\n\u003cli\u003eFree shipping and free returns\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PerseveranX","offers":[{"title":"Mixed Sea \/ XS (Men 4.5-6.5\/Women 5.5-7.5) \/ High Arch","offer_id":43575883071653,"sku":"PSVX-FUSION-HIGH-XS","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Mixed Sea \/ S (Men 7-8.5\/Women 8-9.5) \/ High Arch","offer_id":43575883169957,"sku":"PSVX-FUSION-HIGH-S","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Mixed Sea \/ M (Men 9-10.5\/Women 10-11.5) \/ High Arch","offer_id":43575883268261,"sku":"PSVX-FUSION-HIGH-M","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Mixed Sea \/ L (Men 11-12.5\/Women 12-13.5) \/ High Arch","offer_id":43575883366565,"sku":"PSVX-FUSION-HIGH-L","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Mixed Sea \/ XL (Men 12.5-14.5\/Women 13.5-15.5) \/ High Arch","offer_id":43575883464869,"sku":"PSVX-FUSION-HIGH-XL","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4288\/3237\/files\/1_Twin.jpg?v=1722616909"}],"url":"https:\/\/perseveranx.com\/en-ca\/collections\/dress-shoe-insoles.oembed","provider":"PerseveranX","version":"1.0","type":"link"}