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The
final product has been very successful. Most helmets vent air between the
liner and the outer shell, but the OVO design directs air between the liner
and the person's head. This brings the cool air in direct contact with the
head and successfully cools the skier. Channel inlets below the brim allow
pressurized air coming off the user's face to enter into the helmet, drawing
the air out through the back and top. The very effective strap system runs
around the back of the head to cradle the skull in a yoke, making it possible
to tighten the strap evenly around the head. This safety feature interlocks
with the removable ear pads. The helmet remains comfortable in varying temperatures.
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