The Sperian Leightning L0 Folding Ultra Slimline HOW1013461 is designed for comfort and durability. Padded foam and super-soft cushions eliminate pressure on your head, while the steel-wire construction ensures high performance and robust durability. Air Flow Control technology delivers optimal attenuation across frequencies, and a nonwoven layer manages the flow of air to control how sound reaches the ear. Snap-in ear cushions make replacement quick and easy.