The product is a self contained air intake module that is inserted into the cuff of a rider’s jacket. It has a flexible clip to secure the device in position and can accomodate a large variety of material thicknesses. Ventz are supplied as a pair. The inner profile is designed to accelerate the airflow and the rear section is made of an elastomer material to be comfortable against the skin and impact absorbing, if necessary.
Source : D2M Innovation