The Giro Radix Dirt Helmet combines rugged style and durability to meet the demands of core trail riders, with the coverage, light weight and ventilation riders need to ride comfortably and confidently, all day. This helmet utilizes the highly adjustable Roc Loc® 5 system, which allows you to customize fit/feel for enhanced stability and long-range comfort. The P.O.V.™ visor offers 15 degrees of adjustment, and the tough polycarbonate outer shell is fused permanently to the EPS foam liner using Giro's In-Mold™ construction process, to enhance durability and ventilation without excess bulk. Giro Radix Dirt Helmet Features Deep coverage P.O.V.™ visor Cool-fit anti-microbial padding Giro Radix Dirt Helmet Specifications Construction: Full-wrap In-Mold polycarbonate shell with EPS liner Fit System: Roc Loc® 5 Ventilation: 25 Wind Tunnel™ vents with internal channeling