Although Dekoni strives to ensure that the results of all their projects meet high standards, sometimes, in their own words, the result of their efforts is only adequate to stock production. The HD600 replacement headband falls squarely into this adequate position, offering a replacement headband that matches the comfort of the stock band. The HD600 headband utilizes a perforated mesh material to aid in breathability to help keep the top of your head cool. Backing this is the segmented design, with spacing between each individual pad allowing for more open air, as well as a channel to allow the headband to flex into place without issue. The foam inside is Dekoni’s high density memory foam found in Elite and Choice Series. The replacement headband fits the following models from Sennheiser: HD 58X, HD 600, HD 650, HD 660, HD 660S, and the HD 6XX.