Blog

Best Insoles for Smelly Shoes — What Actually Works

Post by Kenny Sanders

May 27 2026

Smelly Shoes · Best Insole Guide 2026

Searching for insoles that actually eliminate shoe odor? Here's an honest breakdown of every option on the market — ranked by how well they actually work — and why the best solution reframes the problem entirely.

Most people searching for "best insoles for smelly shoes" are looking for a replacement insole with odor-fighting properties — activated charcoal insoles, antimicrobial insoles, copper-infused foam. These products exist, they have their merits, and we'll cover them honestly. But the best solution for shoe odor isn't a replacement insole at all — it's a washable barrier that protects your existing insole from ever becoming smelly in the first place.

The Best Insole Solution for Smelly Shoes

NotSocks™ wraps around your existing insole — bamboo-charcoal captures sweat before it causes odor. Washable weekly. Works with any insole including orthotics.

Try It First

NotSocks™ 1-Pack

Try in your smelliest shoes first.

Shop 1-Pack →

⭐ Most Popular

NotSocks™ 2-Pack

Protect your two most-worn pairs at once.

Shop 2-Pack →

Best Value

NotSocks™ 3-Pack

Stock every shoe in your rotation.

Shop 3-Pack →

Best Insoles for Smelly Shoes — Ranked Honestly

NotSocks™ Washable Insole Socks — Best Overall

Wraps around your existing insole. Bamboo-charcoal fabric intercepts sweat before it causes odor. Machine washable weekly so the protective layer resets completely. Works with any shoe and any insole including orthotics. The only solution that prevents odor rather than treating it.

★ Editor's Pick ✓ Prevents odor ✓ Washable ✓ Works with orthotics

Activated Charcoal Replacement Insoles

Charcoal-infused foam insoles that absorb odor molecules. More effective than standard foam insoles. However, they still absorb sweat directly into the foam, becoming saturated and less effective over time. Not washable in most cases. Need replacement every 3–6 months.

✓ Better than standard foam ⚠ Not washable ⚠ Saturates over time

Copper/Silver Antimicrobial Insoles

Insoles with copper or silver threads woven in to inhibit bacterial growth. Effective at slowing odor development. Still absorb moisture directly. The antimicrobial properties degrade with washing. Best for people who want some protection but aren't going fully sockless.

✓ Slows bacteria ⚠ Properties degrade over time

Cedar Wood Insoles

Natural cedar absorbs moisture and imparts a pleasant scent. Genuinely effective at moisture control. However, cedar only masks odor with its own scent — it doesn't eliminate the bacteria causing the smell. Effective for casual use, insufficient for heavy sweaters or sockless wear.

✓ Natural material ⚠ Masks, doesn't eliminate

Standard OTC Foam Insoles (Dr. Scholl's etc.)

Basic replacement insoles with minimal odor resistance. Fine for cushioning and support. Absorb sweat directly into foam and develop odor quickly. Need replacement every 3–6 months. Better than nothing but the lowest tier of odor protection.

⚠ Limited odor protection ⚠ Frequent replacement needed

Frequently Asked Questions

What insoles are best for smelly shoes?

NotSocks™ insole socks are the most effective solution because they prevent odor rather than treating it — by intercepting sweat before it reaches your insole. They're also washable, which means they reset completely every week rather than gradually saturating like replacement insoles.

Do charcoal insoles actually work for shoe odor?

Activated charcoal insoles are better than standard foam at adsorbing odor molecules, but they still absorb sweat directly into the foam and become less effective over time. NotSocks uses activated charcoal in a washable fabric layer that resets weekly — more effective and more sustainable.

How long do odor-fighting insoles last?

Most replacement insoles — including charcoal and antimicrobial options — last 3–6 months before the odor-fighting properties are depleted. NotSocks washable insole socks last as long as a regular pair of socks — months to over a year — because washing resets their effectiveness completely each time.