Leightning LOF Shooter's Premium Folding Earmuff features Air Flow Control technology. Ultra lightweight and comfortable, will not interfere with firearm stock. Extra long headband fits virtually any head size. Padded headband minimalizes pressure on the head. Convenient folding design. Ear cushions snap out for easy cleaning. Maximum Comfort for Extended Wear - the padded headband exerts minimal pressure on the head, while its super soft foam ear cushions distribute pressure evenly around the outer ear for maximum comfort over extended periods. Leightning LOF's NRR 23 provides reliable protection from noise in most environments.