SMK Allterra X-Throttle off-road helmet, a full face MX (motocross) helmet from the SMK MX range for off-road riders. It is made of 2 outer injected EIRT shells for optimized safety and a comfortable fit, and was conceived by the world’s most famous MX experts for off-road lovers. The peak is easily removable and adjustable, and the hypoallergenic liner is removable and washable. The helmet has a long chin bar with mesh vents, an open eye port for goggles and mesh vents behind the peak. It comes in an orange, navy and blue graphic and a green, grey and black graphic, with "ALLTERRA" lettering on the chin bar.