maximum protection and functionality for the most critical situations . the smith altus mips® helmet offers absolute protection and comfort featuring the mips® system with koroydâ„¢ and additional features such as the in-mold construction. especially in situations that may have ended with serious consequences, the altus is designed to protect you more effectively.let's take a look at the features.koroyd®koroyd® provides superior shock absorption and improved ventilation. smith uses cylinders in the crumple zones of this helmet, which absorb energy more efficiently by applying an even load. koroyd® has less volume than other materials used in helmet construction, making it lighter and more comfortable.mips® multi-directional impact protection systeminside of the altus lies the mips® brain protection system (bps). it deflects dangerous forces that would otherwise strike your brain with full force, especially in the case of impacts with a lot of rotational speed.constructionthe hybrid shell offers durability and lightweight construction.the vaporfit snowâ„¢-system allows for a precise fit in seconds.10 ventilation holes provide the airflow you need, and removable, audio-compatible ear pads keep you warm and on the beat.