The rs sol proframe helmet takes the characteristics of breathability and lightness of the proframe and elevates it to a higher level in terms of safety and performance. Equipped with the brand new Mips® Interactive Split protection system, which combines a double density foam - for high and low speed impacts - and a low friction layer between the two. Mips® Interactive Split is designed to reduce, in case of impact, the rotational forces, which otherwise would be transmitted to the brain. The Boa® Fit System allows a precise and adjustable fit of this certified helmet for professional level downhill.