Maximum ventilation and on-the-go, micro-adjustable fit with the addition of MIPS crash safety technology.. The Anon Echo MIPS® Helmet features a 360° BOA® Fit System for quick, micro-adjustable fit with the turn of a dial and MIPS (Multidirectional Impact Protection System) to reduce angled impact forces for increased crash safety. In-mold shell construction offers a lightweight feel with a sleek, low-profile fit. An integrated goggle ventilation channel enhances air flow for fog-free clarity. Adjustable ventilation gives you one-handed control over all 15 vents, so you can fine tune your temperature depending on the weather and activity level.