The Seirus Dynamax Skull Liner works perfectly under a helmet for snowy, winter bike commutes or extra warmth at the hill. The Thermax® microfleece is thin, warm, wicking, wind-blocking and stretchy.
- Dynamax dual density micro-denier Thermax fabric
- Fabric: THERMAX® polyester
- Moisture wicking and wind-resistant
- Thin, warm, wicking, wind-blocking, stretchy
- Thin stretch construction
