Quick Summary
The Viosmut under-helmet cycling skull cap has a double-layer fleece lining, extended ear covers and openings for glasses. Its stated head circumference range is 52 to 62 cm.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Fit | One size for a stated head circumference of 52 to 62 cm; check your measurement against this range. |
| Lining | Double-layer fleece with a soft inner layer and extended ear-cover design. |
| Glasses and earphones | Openings on both sides allow glasses legs and earphones to pass through. |
| Outer layer | Nylon-spandex fabric with a waterproof coating. No protection rating is given. |
| Reflective details | Reflective logos are described on both sides and at the back. |
| Storage | The cap is described as foldable for carrying in a pocket. |
Compatibility, Size and Fit
Although the source describes the cap as suitable for different helmets, it does not identify specific helmet shapes or models. Check how it sits under your helmet and whether the fit remains comfortable once both are worn. The stated 52 to 62 cm range is the available sizing guide.
What to Compare Before Buying
- Measure head circumference and compare it with the stated range.
- If you wear glasses or earphones, check that their arms or cables can pass through the side openings as intended.
- The source mentions a waterproof coating and a windproof design but gives no rating or test conditions. Consider whether those details meet your requirements for the conditions you expect.
Before You Decide
Check the head circumference range, the fit beneath your particular helmet and the placement of the glasses openings. Treat the coating and windproof descriptions as unquantified, since no protection rating is provided.
