Giro Insurgent Spherical MTB Full Face Helmet

The Giro Insurgent Spherical combines cutting-edge protection with exceptional ventilation for serious gravity riders. Its innovative Spherical Technology uses dual-density foam layers that work in concert to absorb and redirect impact forces during crashes. Superior airflow engineering delivers 50% more cooling efficiency than previous models, keeping you comfortable on demanding terrain. At just 1,040g in size M/L, this helmet punches above its weight with advanced features including a patent-pending Flex Gasket to mitigate collarbone injuries and tool-free breakaway visor bolts. The customizable fit system offers interchangeable cheek pads across three sizes, secured with quick-release snaps for convenient post-crash removal. Trusted by elite enduro and freeride competitors worldwide.

• SPHERICAL TECHNOLOGY, POWERED BY MIPS® — Spherical Technology's ball-and-socket design, powered by Mips®, helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash. It also eliminates contact with hard plastic or slip-planes against the skin.
• OPTIMIZED FRONT INTAKE VENTS — Giro engineers designed precise placement and shape of intake vents to optimize cool air flowing over riders' heads.
• MAXIMIZED REAR EXHAUST VENTS — Our complex Wind Tunnel venting system allows hot air an easy escape route from the rear of the helmet.
• BREAKAWAY VISOR BOLTS — Tool-free breakaway visor bolts are engineered with an integrated Allen key receiver for easy removal and replacement in case of crash.
• DIRECTIONAL SNAP SYSTEM — In case of emergency, cheek pads are easily removable without disturbing the rider's head and neck position.
• PATENT-PENDING FLEX GASKET — The zone along the lower edge of the helmet is designed to allow some flex, reducing the role a helmet can play in certain collarbone impacts.
• STEALTH CAMERA MOUNT — The central visor bolt hole does double duty as an ideal location for mounting P.O.V. action cameras.
• ROC LOC® AIR DH FIT SYSTEM — This revolutionary fit system adds a new dimension to helmet performance by enhancing cooling, as well as fit comfort and stability. Using a patented design that suspends the helmet just slightly off the top of the skull, Roc Loc Air DH allows cool airflow to pass directly over your head, further enhancing the performance of vents and internal channeling that exhaust heat out of the helmet. Fit and feel adjustments mimic the Roc Loc 5, allowing you to easily custom tune fit tension and fore-aft tilt of the helmet in seconds using a single hand.
• IONIC+® PADDING — Pure Silver is the secret ingredient that gives IONIC+® the power to provide natural, permanent odor protection to keep your helmet feeling fresh.

Bike Helmet Size Guide

How to measure your size – Wrap a measuring tape around your head, keeping the tape level from front to back. Note the measurement and reference the Size Guide. Note: Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your forehead without hindering your vision. Once you’ve got the right size, you can adjust the fit.

Adult Size	Circumference
S	51 - 55 cm
M	55 - 59 cm
L	59 - 63 cm
XL	63 - 65 cm