Cork vs EVA vs Latex Insoles: Which Is Best?

The insole is the part of a shoe you never think about until it's wrong. It affects comfort, temperature, odour and how the shoe ages — and the material makes a real difference. Here's how cork, EVA, latex and leather insoles compare.

Cork: moulds to your foot

Cork is naturally antibacterial, light, and — the key property — it gradually moulds to the shape of your foot with body heat and pressure, creating a custom footbed over a few weeks. It's also renewable and breathable. The trade-off is that it's firmer than foam at first, so it needs a short adjustment period.

EVA: light and cushioned

EVA foam is the most common modern insole — lightweight, shock-absorbing and inexpensive. It's comfortable immediately, which is its main appeal. The downside is that it compresses permanently over time, losing cushioning, and it doesn't breathe as well as natural materials. Many of our TOKU sneakers use EVA for exactly the lightness it offers.

Latex: springy and natural

Natural latex is more resilient than EVA — it springs back rather than flattening, so it holds cushioning far longer. Often combined with leather or cork in ergonomic footbeds, as in our handmade leather sandals.

Leather: breathable and long-lasting

A leather insole breathes, absorbs moisture and moulds to your foot without compressing away. It's the traditional choice in quality shoes and boots — it costs more and offers less initial cushioning than foam, but it lasts and it keeps feet drier. This is why our Samelin chukka boots use leather insoles.

Which should you choose?

• Long-term comfort and a custom fit → cork or leather.
• Lightweight cushioning, immediate comfort → EVA.
• Springy cushioning that lasts → latex.
• Sweaty feet → leather or cork, both breathable.
• Barefoot feel → minimal or no insole, so you keep ground feel — see our barefoot guide.

Removable insoles are worth having

Whatever the material, a removable insole is a genuine advantage: you can air or wash it, replace it when worn, or take it out to free up volume if your feet are wide. Our guide to shoes for wide feet covers that trick.

Frequently asked questions

Which insole material is best? It depends on priorities — cork and leather mould to your foot and breathe well over years; EVA is lighter and cushions more initially but compresses; latex holds its springiness longest.

Do cork insoles really mould to your feet? Yes — body heat and pressure gradually shape cork into a custom footbed over a few weeks of wear.

Are leather insoles better for sweaty feet? Generally yes — leather and cork both breathe and absorb moisture, unlike synthetic foam.

Natural materials, handmade

Browse our handmade leather shoes, made in Estonia with cork, latex, wool and leather rather than synthetics.