EIA

  Another mask to add to your wardrobe? These masks will not provide protection from Covid-19, however, they may be key to preventing breathing problems into the future for cross-country skiers. Whilst it may not be news to any of the readers here, but cross-country skiing as a winter sport exposes us to some quite extreme conditions both in training and competition. The FIS cut-off of -4°F (-20°C) was primarily established to prevent cold-based injuries...