Kask safety helmet Plasma Hi Viz, red. This lightweight construction and maintenance helmet from Kask is compact, comfortable and well ventilated thanks to its ten ventilation grilles and soft nylon headband with ventilation openings. The High-Tec 2Dry fabric offers maximum comfort and rapid moisture absorption. The inner fabric is washable and the lining is available separately. The Plasma AQ is equipped with an adjustment wheel on the back for quick and easy adjustment of the inner helmet. Compared to the Plasma AQ, this model has a fluorescent coloured shell, which ensures increased visibility, as well as reflective stickers for increased visibility in poor visibility conditions. The helmet can be adjusted from 51 cm to 63 cm head circumference. A ring is attached to the helmet so that it can be attached to a climbing harness. Various visors and ear muffs are available. The Kask Plasma AQ has a weight of 390 grams. EN 397, EN 12492.