The Atomic Count XTD is a helmet built by tourers for tourers. Featuring a lightweight and highly breathable construction, this helmet provides all the protection of a full on alpine helmet without the weight penalty. Atomic achieves this through their 'Holo Core' technology which mimics the shape of an egg carton. This not only increases shock absorption to more than 30% of industry standards, but it makes the helmet lighter and adds ventilation. The 360 degree fit system not only adjusts the helmet to your head size, but to your head shape as well ensuring a proper and safe fit. Add in features like RECCO and a reflective strap that holds your goggles or headlamp securely in place, and you have a helmet that is built to perform for long days in the mountains.