With a sleek and fast look, the Echelon helmet presents a compact profile on a rider's head. And with increased ventilation and an ergonomic design, you're guaranteed an exceptional fit, tremendous comfort, and ample ventilation. Accordingly, it's the ideal helmet for road cycling enthusiasts. Easy-adjust Headset SL II fit system with six height positions and micro-adjustable dial. 4th Dimension Cooling System optimizes ventilation. Composite matrix internal reinforcement allows larger vents for greater cooling. Tri-Fix web splitter for improved comfort and ease of strap adjustments. Reflective decals for increased visibility to motorists in low-light conditions. MIPS-equipped. Fit system is ANGi crash sensor ready.