The Bacou-Dalloz Hearing Safety Group has extended its line of Bilsom Leightning earmuffs with a new L-Zero (L0) Series. Designed to provide reliable protection from intermittent or marginal noise hazards, the L0 Series features an ultraslim earcup design with less weight and bulk than standard earmuffs, and is available in folding (L0F) and neckband (L0N) models. The L0N neckband model fits comfortably around the neck and under PPE. The Bilsom Leightning L0F nolding model with steel wire construction and padded headband provides noise rated protection of NRR 23. The L0N Neckband model with ultraslim earcups and attached elastic provides rated protection of NRR 22.