Protect your most important gear: your head. The Mammut Rock Rider climbing helmet offers off superior climbing protection with an extremely light in-mold core, so it's still comfortable to wear. The Mammul Rock Rider is designed for a wide range of climbing: from sports climbing to high-altitude tours and ice climbing. For hotter days, the helmet's 16 vent system helps keep you comfortable when you start to work up a sweat. The Mammut Rock Rider: because a helmet can be the difference between a good climb and your last climb.