With a fully addressable 7x11 dot-matrix display on the back, you can create your own animations and really stand out on the road.
The size of the Matrix helmet is Medium-Large (56 – 61 cm) approximately 22 - 24 inches. This helmet is only offered in one size by Lumos.
Matrix and Street are designed with a wider shell to accommodate a broader range of head shapes and sizes.
The helmet can be adjusted to get the perfect fit.