Protect your hearing around noisy equipment with high-quality hearing protection. CaseIH hearing protection earmuffs fit over the entire outer ear to provide a snug seal that blocks the ear canal from harmful sound. Very low profile design. Even 4-point pressure distribution combined with Soft-Seal™ soft ear cushions provide long-wearing comfort and very little "squeeze". Durable spring stainless steel headbands. CSA Class A. NRR = 25 dB protection.