Sole Signature CD Thin Insoles review

Do you have high arches or flat feet? If like many cyclists you suffer from foot pains and struggle to find comfortable shoes, these heat-mouldable insoles may hold the answer.

Cycling Weekly Verdict

The price maybe too high for some, but we suspect that many who suffer from foot pains or an inability to find comfortable shoes will happily invest in a product that could solve their trotter related issues.

Reasons to buy
  • +

    Can make shoes very comfortable

  • +

    Could alleviate foot pain

Reasons to avoid
  • -


You can trust Cycling Weekly. Our team of experts put in hard miles testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

Canadian-based company Sole produce a variety of insoles, or footbeds as they call them, for use in different sports.  The insoles are special, in that they are heat-mouldable and adapt to the shape of your foot.  People with high arches or flat feet often purchase special insoles, but most rival products come in pre-set arch sizes.

Sole claim that the benefits of their insoles include:

  • Custom orthopedic support
  • Equalised pressure distribution
  • Reduced plantar fascia strain
  • Increased balance and feel
  • Improved natural heel cushioning

The specific sole we tested was the Signature CD Thin, a lightweight, low volume, insulated footbed, ideal for cycling shoes. The soles are designed to be baked in an oven for 2 minutes at 200ºC, where upon they are removed and placed into the desired shoes. Wearing these shoes then moulds the insole to the contours of your foot.  Check out the instructional video below to see the heat moulding process in action.

We found that once moulded, the soles made our cycling shoes feel like slippers, with a very snug fit.  The customised arch support was noticeable and increased comfort substantially, to such an extent that they will be staying put in our shoes for the foreseeable future.

In addition, the footbeds helped keep our feet warm during recent cold rides, courtesy of the 400g of 3M Thinsulate insulation, and if this is a bit too effective they also feature odour protection.

Head over to Sole for more information.

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Oliver Bridgewood - no, Doctor Oliver Bridgewood - is a PhD Chemist who discovered a love of cycling. He enjoys racing time trials, hill climbs, road races and criteriums. During his time at Cycling Weekly, he worked predominantly within the tech team, also utilising his science background to produce insightful fitness articles, before moving to an entirely video-focused role heading up the Cycling Weekly YouTube channel, where his feature-length documentary 'Project 49' was his crowning glory.