costway offset patio umbrella 8 x 8 ft Cantilever Square Hanging Outdoor Market Umbrella with 360° Rotation-Turquoise the umbrella surface is water resistant and fade resistant for long time use. 4-Piece 20L Cantilever Offset Patio

There are limitations to the cooling air that does get to the back of the head, and some three quarter helmets get around this with well hidden air intakes in the crown area of the helmet, between the shell and the EPS/liner

ergoMetric Exerciser Mode EX2.........$625.00 Color: Coppertone

The Hornet X2 weighs around 3.92-3.99 lbs depending on size

This is not to discourage ordering from a small brand (we love small brands!), but know what you're getting into before ordering

When you bang your head, their outer shell crushes to spread out and lessen the force of the impact before the soft EPS liner compresses to mitigate G-forces before they reach your delicate brain