Technical Details. Model: Y-211. Color: Red. Material: ABS Plastic + Multi-layer sound insulation cotton. Weight:300g. Size: Fully adjustable for sizes. Noise reduction rating: CE at SNR:31dB, ANSI at NRR:27dB, AUS class 5 at 32.2dB. Folding:YES. Ear cup rotation:360 Degrees . . Features:. 1.COMPACT AND PORTABLE: Lightweight, easy to store earmuffs. Take them with you wherever duty calls!. 2.RUGGED AND RELIABLE: Strong construction for a trustworthy protection that was built to last. 3.VERSATILE: Great for shooting, hunting, sports, concerts, studying, construction, landscaping, etc. 4.SOFT AND COMFORTABLE: Skin-Friendly, ultra-light foam filled ear cushions for long-term comfort. 5.COMFORT HEADBAND: Ergonomic design for a comfortable experience. Adjustable to fit most sizes. 6.Specially formulated layers of high-density, noise dampening, and sound absorbing acoustic foams for an excellent Noise Reduction Rating NRR. 7.Adjustable earcups for optimal comfort, efficiency and adaptability. 8.Texturized outer shell with a matte finish conceals scratches from wear and tear. 9.Skin friendly, ultra-light foam filled cushions for long-term comfort. 10.Compliant with leading national safety practice standards for superior protection. 11.Lightweight, compact and convenient design – Easy to keep with you wherever you go. 12.Easy earcup height adjustment offers low pressure, high precision, and a high level of comfort. 13.A full 1 1/4in. of vertical adjustment on both sides allows our ear muff to accommodate Large thru small heads. The Adjustable design allow adjustment on headband to achieve a full of vertical adjustment for a perfect fit. Package Included:. 1 x Y-211 Ear Muffs