High fluor wax with additive, Suits conditions from 0ºC to +20ºC, For racers and enthusiasts, Great for marathon races 0°C to +20°C. A hard durable glide wax for long distance cross country racing. Developed especially for wet dirty contaminated snow. High Fluor content. The hard consistency absorbs less dirt in wet conditions and works well in cold conditions. BW additive is for reduced friction against dirt particles. The BW additive is also positive in cold conditions when there is partially dry friction.