WOOLPOWER 400 Merino Helmet Liner Cap
1Woolpower 400 helmet liner cap is a snug Ullfrotté Original merino under-helmet layer (400 g/m²) covering head and neck, managing moisture and keeping you warm through extended wear.
WOOLPOWER 400 Merino Helmet Liner Cap is a close-fitting helmet under-cap that covers head and neck to lock in warmth where heat loss is highest. Made from Ullfrotté Original 400 g/m² merino terry, it controls temperature, wicks moisture, and resists odor over long wear.
The low-profile fit slides under helmets without pressure points, while the 400-class thickness delivers serious insulation without sacrificing merino breathability.
Technical Specifications:
- Series: Woolpower 400
- Weight: 400 g/m²
- Fabric: Ullfrotté Original (70% merino wool, 30% polyamide)
- Fit: helmet liner, head + neck coverage
Key Features:
- High-insulation helmet liner
- Moisture management and warmth when damp
- Odor-resistant merino
- Low-profile, helmet compatible
A true cold-weather upgrade under any helmet.