Giro Source MIPS Mountain Bike Helmet Options:Matte Black Fade LUMALENS® Optimized Color Technology [Select

LUMALENS® Optimized Color Technology [Select Colorways] – See more

DIMENSIONS -  11' 0" L x 39" W x 7" diameter tubes

These are offered as a 12-foot single strap

12 x 8 x 74" [ 30 x 20 x 188cm ]

Giro Source MIPS Mountain Bike Helmet Options:Matte Black Fade LUMALENS® Optimized Color Technology [SelectThe source MIPS Helmet combines advanced performance and protection in a rugged, trail ready design. The Source Mips helmet combines advanced performance and protection in a rugged, trail ready design. Featuring deep coverage with aggressive ventilation from 16 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 fit system with Integrated Mips