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Engineered for those unforgiving climbs and blistering heat, ARO3 is built with optimized ventilation to help keep you cool, BOA’s 360 degree fit system for the ultimate in comfort and fit, MIPS Brain Protection system and moisture wicking brow pad.

Features

Lightweight Polycarbonate shell

360 degree fit band

X-Static brow padding

EPS protective foam

Technologies

Aerodynamics and Thermal Regulation - Inspired by the shape of racecars and designed to maximise aerodynamics without added drag.

Anti-Microbial X-Static Browpad - Prevents stink by inhibbiting the growth of bacteria on fabric, eleminating human-based odor for the life of the brow pad.

MIPS Brain Protection System

A patented brain protection system to help provent heads against impact that can come from any direction.
Scientifically Proven - The MIPS technology is developed in Sweden since 1996 and scientifically proven to reduce rotational motion by absorbing and redirecting rotational energies and forces transferred to the brain from angled impacts to the head.

How it Works - In a helmet with MIPS Brain Protection System (BPS) the shell and the liner are separated by a Low Friction Layer. When a helmet with MIPS Brain Protection System is subjected to an angled impact, the low friction layer allows the helmet to slide relative to the head. The MIPS BPS is designed to add protection in helmets against the rotational motion. The rotational motion is a combination of rotational energy (angular velocity) and rotational forces (from angular acceleration) that both affects the brain and increases the risk for minor and severe brain injuries. MIPS BPS has been scientificaölly proven to reduce rotational motion when implemented in a helmet by absorbing and redirecting rotational energies and forces transferred to the brain.

Strain in the Brain - The illustration is based on data that was generated using a finite element computer model, based on measurements obtained from nine accelerometers in a Hybrid III crash test dummy head. The dummy head wearing a helmet was subjected to an angled impact using the MIPS test rig.The model illustrates strain in the brain from a similar angled impact when the dummy head is wearing a helmet without MIPS and a helmet with MIPS.

The Great Misconception - Standards and How You Really Fall - Accident statistics show that many injuries occur due to angled impact to the head. However, in standard helmet tests the helmet

is dropped vertically onto a flat surface. The results are helpful for measuring precise vertical impacts, but far inferior for measuring the more realistic scenario of an angled impact. MIPS has been developed for reality and increases protection against angled impacts.

Size Guide