The Altis Trail Bike Helmet is built by 100 Percent for riders who spend their time on trails and technical off-road terrain. It's engineered for the demands of modern mountain biking, with 14 ventilation ports that move air across your head on climbs and an adjustable visor that blocks sun so you can grind through exposed sections glare free. If most of your riding is singletrack, descents, and dusty climbs, the Altis is made for exactly that kind of day.

The Altis Trail Bike Helmet does not use MIPS-branded protection. Instead, it uses Smartshock, 100 Percent's own rotational protective system, which addresses the same concern as MIPS: reducing rotational forces from angled impacts. The protection is real and purpose-built, just branded differently. If you specifically need a MIPS-labeled helmet for your riding or require that certification, the Montaro MIPS III MTB Helmet gives you MIPS-branded rotational protection in a trail-focused design.

The Altis Trail Bike Helmet is one of the helmets specifically called out as comfortable for ponytail wearers. Terry recommends it to women partly because its fit accommodates both the head and a ponytail, which matters when you're on long trail days and don't want to choose between a secure helmet and a comfortable hairstyle. If a reliable ponytail fit has been a sticking point for you, the Altis was chosen with that in mind.

The Altis Trail Bike Helmet includes an adjustable visor designed for trail conditions, where light changes constantly between tree cover and open sky. The visor blocks the sun so you can ride glare free, and because it adjusts, it works whether you're wearing sunglasses or want to stow goggles. For mountain bikers who deal with low morning sun or bright exposed climbs, that adjustability keeps your sightline clear through variable light.

The Altis Trail Bike Helmet is purpose-built for mountain-bike and trail riding, with a visor and shell tuned for off-road use. If most of your riding is on pavement, that trail-specific design isn't working in your favor, and a road-oriented helmet will suit you better. Choose the Altis when your riding is genuinely trail-focused.

The Altis Trail Bike Helmet is built specifically for mountain-bike and trail riding, so it shines when off-road is clearly your main surface. If your riding is genuinely split between trail and gravel or pavement rather than dedicated mountain biking, a more versatile helmet makes more sense. The AllRoad MIPS Helmet is designed for riders who move between surfaces, giving you a single helmet suited to mixed days. Reach for the Altis when trail is your priority, not the exception.

The Altis Trail Bike Helmet uses 14 ventilation ports to move air across your head for maximum airflow, which is where it earns its place on long trail climbs when you're generating heat but moving slowly. It's also described as a lightweight option, so it stays comfortable over extended time in the saddle. For mountain bikers who overheat on grinding ascents, that combination of ventilation and low weight helps keep you cool and focused on the trail.

The Altis Trail Bike Helmet is a strong mid-priced trail option, but it isn't right for every rider. If you specifically need MIPS-branded rotational protection with e-bike certification, the Montaro MIPS III MTB Helmet is the better match. If you want an integrated light, the Altis doesn't include one. And if your riding leans toward mixed surfaces rather than dedicated mountain biking, the AllRoad MIPS Helmet suits that pattern better. Choose the Altis when trail riding with Smartshock protection is exactly what you want.