The Giro Switchblade MIPS full-face mountain bike helmet is designed for exceptional downhill performance, prioritizing safety and comfort. The ROC LOC Air DH Fit System enhances helmet performance by improving cooling, fit comfort, and stability. Its patented design slightly suspends the helmet above the skull, allowing cool airflow to pass directly over your head. This improves the effectiveness of vents and internal channels, helping to release heat from the helmet.