AirTrim Cold Weather Mask Replaceable Filters (2-Packs) Type:Racing2 A classic for cross-country skier's

A classic for cross-country skier's winter attire

Mixing waxes on wools can cause negative performance from different ingredients for different conditions

In the new world of fluoro-free waxing

Grip wax for a wide range of weather conditions

Heavy breathing in cold temperatures or low humidity (desert climates or high-altitude) can be uncomfortable or damaging to your airways

AirTrim Cold Weather Mask Replaceable Filters (2-Packs) Type:Racing2 A classic for cross-country skier'sFind the right amount of filtering for your training racing effort level and comfort. These two pack filters allow you to switch out filters from your AirTrim mask so you can breathe comfortably with your preferred heating vs. airflow level. Filters come with five levels of filtering. The rolled corrugated plastic in the filters is coloured white or blue. White filtering plastic offers more heating and less airflow, while blue plastic filtering