The H20-10 is made from an advanced composite material that is lightweight yet highly durable. Unique custom comfort features include contoured, gel-filled ear seals and a patented headband suspension system. Exclusive Custom Comfort System: Extremely lightweight Patented head pad suspension provides pillow-like comfort. Unique headband design cradles your head just enough to block the noise. Contoured gel ear seals mold softly to your head. No exposed overhead cord Certified Noise Reduction Rating - 22dB