The Cirrus is a new innovation in helmet design from Wild Country, combining a expanded polypropylene material with a hardshell cover. This keeps the helmet light, while improving protection from stone fall, and lengthening the lifespan of the helmet by reducing abrasion. Channels between the polypropylene and hardshell provide ventilation, while head torch clips at the front of the helmet can be removed when not in use to provide additional ventilation.