Alpine Defender Adult Earmuffs for Noise Reduction - Premium Noise Protection Headphones for Study, Focus, Work & Sensory Overload - Light-Weight Design - Adjustable Headband - All Day Comfort - 22dB is up for auction in Home & Kitchen. The current bid is $0.45, 98% below the $27.95 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.