Non-Absorbent Replacement Helmet Foam

The non-absorbent replacement foam has a closed-cell structure. It does not absorb water or perspiration and is quick and easy to clean. It is compatible with all Petzl helmets. Closed-cell foam does not absorb water or perspiration Quick and easy to clean Compatible with all Petzl helmets NOTE: While Petzl officially states that this foam is compatible with all Petzl helmets, we have received feedback that it may not work seamlessly with all their helmets. These replacement foam pads use self adhesive strips to attach to the helmet and remain in place. Some Petzl helmets, such as the Sirocco, use velcro to position the pads which gets in the way of ideal contact with these adhesive pads and may result in poor adhesion. As we conduct further research into which helmets they do or don't work well with, we will update this section.