Giro Manifest Spherical Bike Helmet Size:Medium stronger binding from Spark R&D's

stronger binding from Spark R&D's original Surge bindings

For those of you starting early in the morning or staying up late for moonlight adventures

locks the heel with an HRS strap and Wave Closure

5m turn radius with titanal reinforcements handles speed like a champ

The high-flow cap provides effortless hydration with no squeezing required

Giro Manifest Spherical Bike Helmet Size:Medium stronger binding from Spark R&D'sWith Spherical Technology, best in class ventilation, deep coverage and luxurious comfort, Manifest is the most premium trail riding helmet available. Among the Manifest's extraordinary features is Spherical Technology, which utilizes a ball and socket design powered by Mips, the market leading brain protection system that helps to reduce rotational forces. Spherical Technology allows the outer liner to rotate around the inner liner during a crash and