Castelli Thermoflex kneewarmer review

Castelli's kneewarmers are some of the best we've tried with a great fit and soft feel.

(Image credit: mike prior)
Cycling Weekly Verdict

A brilliant set of kneewarmers that can be used from March through to October. Perhaps one of the most useful pieces of cycling kit you can buy

Reasons to buy
  • +

    Double gripper around top seam

  • +

    Length

  • +

    Thin yet warm

  • +

    Seams don't dig in

Reasons to avoid
  • -

    None

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.

You might think it would be easy to make a good kneewarmer. After all it's little more than a tube of material. But it's not. Many companies, good ones at that, still get it very wrong with this garment.

I've tested many that have crept up my calf and bunched behind my knee, or slipped down underneath my shorts leaving that horrible gap of exposed thigh between them and the shorts. No one wants to see that.

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