They are made with a slowly expanding foam for an ultra comfortable wearing

Our ears are very good at receiving high quality sound from the sides and from devices like headphones as this sound travels straight into our ears bypassing the Pinna

and all you need in most cases

Low sound absorption

Howard Leight Hygiene Kit 1035136-VS for VeriShield VS110 Earmuffs upsell_hellberg-xstream-ld-bluetooth-headband-earmuff-class-5 They are made with aReplacement Hygiene Kit for VS110 Earmuffs Compatible with: VS110, VS110F, VS120H, VS110D, VS110DH, VS110DF Dielectric Earmuffs Memory foam ear cushions New unique memory foam that combines denser and softer foam than previous models, for greater comfort and attenuation Reduces squeezing pressure on the head and enhances comfort Air Flow Control Technology Honeywells Air Flow Control Technology, for optimum attenuation across all frequencies Includes