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.Key Features: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..