At approximately 310g (Medium), it is heavier than dedicated climbing helmets like the Kask Valegro or general-purpose aero lids like the Kask Protone .

is a versatile aerodynamic road helmet best known for its unique "party trick"—a sliding aerator panel that allows riders to switch between a fully closed aero profile and an open, ventilated mode while riding . Developed in collaboration with Team Sky, it targets road racers and triathletes who want the performance of an aero lid without the typical compromise of poor ventilation during steep climbs or warmer stretches. The "All-in-One" Aero Solution

Uses multi-layer open-cell construction to wick moisture and enhance comfort.

It is often cited as the perfect helmet for three out of four seasons. The closed vent provides excellent insulation in winter or rain, but even with the vent open, it may feel too warm in temperatures exceeding 30°C.