- Mask: Nylon and/or polyester shell, cotton/polyester, hard plastic, latex free elastic (I can supply organic cotton loops and metal rings to replace the elastic ~ let me know when you order).
Activated Carbon Filter Coconut: Military-grade steam activated activated coconut shell carbon; two layers of particulate filtration from plant- or wood-based cellulose; glue on velcro is ethylene vinyl acetate
ICB! Honeycomb Sports Kit is Available in:
These were worn by US olympian cyclists at the Beijing Olympic games.