Cold Weather Bike Liner Upgrade
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When the temperatures drop, stay warm with Bern's Cold Weather Bike Liner. Designed to keep you warm under your bike helmet without making it feel like you're adding a ton of layers. Comes with a helmet bag and sticker kit.
| Fit Size | S | M | L |
|---|---|---|---|
| CM | 52 - 55.5cm | 55.5 - 59cm | 59 - 62cm |
| Hat Size | 6 1/2 - 7 | 7 - 7 3/8 | 7 3/8 - 7 7/8 |
MIPS Brain Protection System
Rotational motion can cause brain injuries. The low friction layer allows a sliding movement of 10-15 mm in all directions, reducing rotational motion to the brain during impact.
