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Most TT's and triathlons take place anywhere from late spring through early fall, often on some of the hottest days of the year. A TT/tri-specific lid can certainly speed up your ride, but not if it i more→sn't built with enough ventilation to keep you cool. How to make aero helmets that save watts without leaving cyclists trapped inside a stifling bubble is a recurring challenge for helmet manufacturers. That's why we're impressed with the Giro Aerohead MIPS Helmet's wind-cheating profile and efficient venting system, which incorporates more cooling channels than the Aerohead Ultimate and features the added impact absorbtion of Multi-directional Impact Protection System (MIPS). On the outside, the …

Tough, light, toasty, airy—the Giro Owen Spherical Helmet is all these things, giving us protection from first pow day to spring corn and from groomers to heli lines. The streamlined construction won' more→t strain our neck on long bell-to-bell sessions, and the Mips tech deflects rotational forces when we fail to stomp a jump. The front vent lines up with our goggles, ensuring our view stays clear, while the adjustable ventilation system dumps excess heat on long climbs, hard charges, and warm days. When temps are icy, we close up the vents and strap on the ear pads to lock that heat in.

We live for the all-day rides, carving our way up dramatic canyons, cruising through miles of wild vineyards, and along coastal highways — but admittedly, we're not always so lucky to have the time. O more→ften times we're limited to our daily commute to get in the weekday miles, and crave equipment that is versatile enough to bounce back and forth from one to the other. Designers at Smith seem to have received our asks, and answered thoroughly with the Smith Network MIPS Helmet. All new for 2018, the Network Helmet finds an uncanny balance of style, versatility, and performance, packing in MIPS and Koroyd technology to protect, with modern design and ventilation to keep you looking, and feeling co…

We choose the G1 MIPS Helmet for our road rides because the ventilation and aerodynamic profile make it an efficient option for logging miles. 22 total vents keep us cool and Lazer’s Rollsys retention more→system provides a 360degree fit and comfort in a lightweight design that adjusts from the top of the helmet and away from our hair. For added peace of mind, a MIPS layer in the G1 redirects rotational forces in the event of an impact.

Even if you know the twists and turns of the trail like the back of your hand, your noggin still deserves reliable protection against unexpected falls and impacts. To cover your cranium for those all- more→mountain adventures, throw on the Troy Lee Designs A3 MIPS Helmet. Its polycarbonate shell is designed to act as the initial barrier when charging trails, and underlying EPS foam absorbs impact through every fall. The A3 offers additional coverage along the temples and base of your head than its smaller sibling, the A2, but doesn't go overboard with chin bars that are better-suited for the bike park. MIPS technology repositions the helmet to soak up angled impacts, and a ventilated shell keeps you …

Style meets ventilation for total comfort in all-mountain applications in the new Smith Session MIPS Helmet. This all-new cranium coverage keeps your noggin on lockdown with a combination of Smiths Ko more→royd technology and MIPS, shielding you from impacts both direct and oblique, so you can charge through rowdy rock gardens while staying ventilated as you weave your way through technical switchbacks to the top for round two. And Smith doesn't hold back on the good looks either, with a modern and sleek style that falls neatly between the previously loved Rover and Forefront, giving just a little more coverage than its cross-country cousin, but with less bulk than the enduro-ready Forefront.