Aerodynamic, Lightweight with MIPSOakley's ARO3 helmet is built with optimized ventilation to help keep you cool. It has a moisture wicking brow pad and BOA’s 360 degree fit system for the ultimate in comfort and fit. The TX1 Lace lies flat against your head, allowing for seamless eyewear integration. The ARO3 includes the MIPS brain protection system to protect against impact that can come from any direction. This helmet is engineered for those unforgiving climbs and blistering heat. - MIPS Integration - The MIPS Brain Protection System is a helmet integrated, low friction layer designed to reduce rotational motion transferred to the brain during an impact. - BOA 360 Fit System - With its soft textile feel and flexibility, the TX1 Lace lies flat against your head, allowing for seamless eyewear compatibility.