Lightweight performance driven the new Giant REV brings performance & design to the rider looking for ultimate protection without sacrificing style & comfort. With huge ventilation ports fine-tuned CINCH+ fit system & precision wrapped EPS foam to reduce overall weightthis helmet has everything you need. Features 5 polycarbonate microshells Sub-foam embedded polycarbonate Internal Structural Shell (ISS) Giant locking cam Lightweight Liteform webbing Giant proprietary Trans Textura Plus anti-microbial padding (5mm) Giant CINCH+ fit system 21 vents Sub-foam anchor placement Extra padding included with helmet (3mm) Colours: white/red / black/blue / blue/white/black 264g Certification: CPSC & CE-EN 1078:2012 Sizes S (51-55cm) / M (55-59cm) / L (59-63cm)