Giro Source Mips MTB Helmet - Black BackInStock-05-08-2026 but single-layer PrimaLoft® ThermoNet® technology

but single-layer PrimaLoft® ThermoNet® technology offers exceptional warmth for fast and light adventures

COMPATIBLE BIKES

Featuring deep coverage with aggressive ventilation from 17 vents coupled with deep internal channeling

Universal Derailleur Hanger

Giro Source Mips MTB Helmet - Black BackInStock-05-08-2026 but single-layer PrimaLoft® ThermoNet® technologyThe Source Mips helmet combines advanced performance and protection in a rugged, trail ready design. Featuring deep coverage with aggressive ventilation from 17 vents coupled with deep internal channeling, it helps keep things cool even when the riding gets rowdy. And with the comfort and secure feel of the Roc Loc 5 Mips fit system with Integrated Mips brain protection, plus a moto style adjustable screw in visor and full lower Hardbody durability,