4 ms·Too bad it doesn't really work. Winter biking is still cold as shit and breathing in -20°C air is not fun.by Hamuko 5y agoToo bad it doesn't really work. Winter biking is still cold as shit and breathing in -20°C air is not fun.bipson 5y agoNot in a Velomobile. Actually, you need a fan for forced ventilation.medstrom 5y agoOr to ride semi-naked. Now there's a sight for winter.Tepix 5y agoThat hasn't been my experience. One the airstream is blocked you won't be cold for long.