Made for warmth with excellent wicking while minimizing bulk under your helmet. This simple helmet liner has a raw-cut edge so it doesn't interfere with the straps or helmet cage, while the Thermoflex fabric is surprisingly warm and wicks away moisture.
- Thermoflex is warm, soft and stretchy
- Flat-lock stitching
- Contoured to cover ears
- Raw-cut edge lies flat and doesn't bunch under helmet
- Reflective detailing on back
PRO THERMAL Helmmuts

Made for warmth with excellent wicking while minimizing bulk under your helmet. This simple helmet liner has a raw-cut edge so it doesn't interfere with the straps or helmet cage, while the Thermoflex fabric is surprisingly warm and wicks away moisture.
- Thermoflex is warm, soft and stretchy
- Flat-lock stitching
- Contoured to cover ears
- Raw-cut edge lies flat and doesn't bunch under helmet
- Reflective detailing on back
To maximise the lifespan of the product, follow the instructions below. If the product has a label with the manufacturer’s maintenance instructions, we recommend they be followed.






A more detailed overview of maintenance instructions for Castelli products can be found here
Free delivery from 75 euros.
For orders under 75 euros, you will be charged 4.95 euros.