The compatibility of the mask with the helmet is now a must. Because for safety reasons the use of a helmet is now almost standardized in the mentality of athletes who want to practice their favorite sport in the safest way possible. The need to create a product compatible with all types of helmets on the market has allowed our masks to increase in technicality. In fact the new conceptone of lateral wings to improve the fit and expand the elastic beyond the circumference of the helmet creating a perfect fit allowing use without looking for a new suitable helmet. The adjustable elastic, a must that can no longer be done without, continues to make the difference in the fit. DEMON is in continuous research and development, to offer customers more needs, the best solutionsone on the market.