THERMO STRETCH FABRIC
Flexible fabric that adapts to your movements.
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Explore all productsKeep your under-helmet routine simple. The 66BHP Skull Cap combines lightweight Thermo Stretch fabric, full ear coverage and a flexible, helmet-friendly shape.
EXPLORE THE DETAILSFlexible fabric that adapts to your movements.
Head and ear coverage while leaving the face and neck open.
Designed to sit comfortably beneath your helmet.
A light layer for time on the move.
A simple addition to your daily helmet routine.
An easy extra layer for rides and time outdoors.

The standard Skull Cap is listed with full ear coverage and Thermo Stretch fabric.

Adjust the cap before putting on your helmet and check that the helmet fit stays secure.
Ease the cap over your head and smooth the fabric into place.
Position the cap to cover your ears comfortably.
Put your helmet on and check that it fits correctly before riding.
Know your product before you choose.
It is made with Thermo Stretch fabric for a flexible, comfortable feel.
Yes. The standard Skull Cap covers the head and ears while leaving the face and neck open.
It is designed for under-helmet use. Check that your helmet still fits and fastens normally, without pressure, folds or fabric in your view.
Yes. The Skull Cap is designed as a lightweight layer for outdoor wear.
Follow the care label supplied with your cap. Contact 66BHP if you need specific washing or drying guidance.
The options are Single Pack, Double Pack + 1 Free and Buy 6 Get 4 Free. Select your preferred pack above.
Choose your pack and add a lightweight layer to your helmet routine.