# 3M Peltor Optime 105 Behind-the-Head Earmuff, 29 dB NRR | Industrial Noise Protection **Brand:** 3M **SKU:** jjw4322 **ASIN:** B0017YEMPM **Canonical URL:** https://crowcrowcrow.com/p/3m-peltor-optime-105-behind-the-head-earmuff-factory-one-size/jjw4322 **Category:** home-kitchen **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹4,976 **Discount:** 13% **Customer rating:** 4.88/5 from 8 ratings ## Description 3M Peltor Optime 105 earmuffs provide 29 dB NRR industrial noise protection. Featuring double-shell technology and soft foam cushions, they fit comfortably behind the head, even with hard hats. Durable stainless steel construction ensures longevity for demanding work environments. Imported for India. ## Highlights - Superior Noise Reduction — Achieve up to 29 dB NRR with advanced double-shell technology, effectively blocking loud industrial noises for enhanced hearing safety in high-noise environments. - Comfortable Behind-the-Head Fit — Designed for extended wear, the soft, foam-filled cushions and behind-the-head style ensure comfort and compatibility with hard hats, crucial for long work shifts. - Durable Stainless Steel Build — Constructed with robust stainless steel, these earmuffs resist bending and warping, guaranteeing long-lasting performance in demanding industrial and occupational settings. - Industrial Use Focus — Specifically engineered for occupational environments like construction, manufacturing, and transportation, providing reliable hearing protection where it's most needed. ## Key features - Noise Reduction Rating (NRR) between 27–30 dB (depending on the attachment type) - Double-shell technology boosts noise-blocking ability - Made with soft, foam-filled cushions - Stainless steel construction resists bending and warping - 3M E-A-Rfit Dual-Ear Validation System testable - For industrial/occupational use only. Not for consumer sale or use ## Why choose this product **Engineered for Extreme Noise** — 3M Peltor's Optime 105 earmuffs utilize patented double-shell technology to deliver a high Noise Reduction Rating (NRR) of 29 dB. This advanced design effectively mitigates noise from sources up to 105 dBA, offering superior protection in environments like construction sites, airports, and heavy manufacturing plants. Unlike standard earmuffs, the dual-shell system provides enhanced sound isolation, ensuring your hearing is safeguarded during demanding tasks. This level of protection is critical for maintaining long-term auditory health in noisy industrial settings. **Ideal for Industrial Work, Not for Casual Use** — These earmuffs are built for rigorous occupational use, featuring a durable stainless steel construction and a comfortable behind-the-head design that fits with hard hats. They are perfect for professionals in construction, manufacturing, or transportation who require maximum noise reduction. However, they are not intended for consumer use or casual noise reduction needs. If you need earmuffs for everyday tasks or sensitive hearing, consider models designed for lighter noise environments or specific consumer applications. ## How to use 1. Place the earmuffs behind your head, ensuring the earcups fully cover your ears. Adjust the headband for a snug, comfortable fit that creates a seal around your ears without excessive pressure. — Position Earmuffs 2. Ensure there are no gaps between the earcups and your head. The soft, foam-filled cushions should create a good seal. If wearing a hard hat, confirm the earmuffs fit securely over or around it without interference. — Check Seal and Comfort 3. In a noisy environment, you should notice a significant reduction in ambient sound. Remember that 3M recommends reducing the NRR by 50% for estimating actual protection in typical use scenarios. — Verify Noise Reduction ## Product details | Field | Value | |---|---| | Ear Cushion Filling | Liquid/Foam | | Headband Material | Stainless Steel | | Noise Reduction Rating (NRR) | 29 dB (CSA Class AL) | | Recommended Use | Industrial/Occupational: Airports, construction, manufacturing, food & beverage, oil & gas, transportation. | | Noise Level Compatibility | Up to 105 dBA | | Fit Type | Behind the Head | | Compatibility | Designed for use with hard hats | | Validation System | 3M E-A-Rfit Dual-Ear Validation System testable | | NRR Estimation Note | 3M recommends reducing NRR by 50% for typical use estimation. | | Cost per use | 1 unit at ₹4,976 — ₹4,976 per unit | | Shelf life after opening | 12 months (typical for passive hearing protection) | | Reapplication math | Not applicable for passive hearing protection; designed for continuous wear. | | Contraindications | Not for consumer sale or use; not suitable for casual noise reduction needs. | | Allergens / common irritants | May contain lead (California Proposition 65 warning). | | Brand | 3M | | Model Name | Optime 105 H10B | | Style | Behind-the-Head | | Color | Red/Black | | Material | Stainless Steel, Foam | | Size | One Size (Unisex Adult) | | Weight | 0.32 kg (0.71 lb) | | Dimensions | 17.8 cm x 18.1 cm x 11.5 cm (7 in x 7.1 in x 4.5 in) | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How to choose earmuffs for industrial use in India? For industrial settings in India, choose earmuffs with a high Noise Reduction Rating (NRR) like the 3M Peltor Optime 105's 29 dB. Consider the behind-the-head design for compatibility with hard hats and durable materials for humid Indian climates. Ensure the fit is comfortable for long shifts, as foam and gel cushions can degrade faster in heat. ### What is the Noise Reduction Rating (NRR) of these earmuffs? These 3M Peltor Optime 105 earmuffs have a Noise Reduction Rating (NRR) of 29 dB. 3M recommends reducing this figure by 50% for estimating the actual noise protection provided during typical use, which is a standard practice for occupational hearing protection. ### Are these earmuffs comfortable for long wear and compatible with hard hats? Yes, the earmuffs feature soft, foam-filled cushions and a behind-the-head design specifically engineered for comfort during extended use. This design also ensures compatibility with hard hats, making them practical for industrial professionals. ### Can I use these earmuffs for everyday noise reduction? No, these earmuffs are specifically designed and labeled for industrial/occupational use only and are not intended for consumer sale or casual noise reduction. Their high NRR is optimized for loud work environments, not general daily exposure. ### What is the best earmuff for construction sites? For construction sites, the 3M Peltor Optime 105 behind-the-head earmuffs are an excellent choice due to their 29 dB NRR, durable stainless steel construction, and compatibility with hard hats. They provide robust hearing protection against the high noise levels common in construction. ### Are these earmuffs adjustable for different head sizes? While the product is listed as 'One Size', the behind-the-head design and adjustable headband typically accommodate a range of adult head sizes comfortably. The soft ear cushions also contribute to a secure and adaptable fit. ### What are the side effects of using these earmuffs? The primary 'side effect' is reduced situational awareness due to significant noise blocking, which is intended for safety in loud environments. Prolonged wear in high heat and humidity may cause discomfort if not properly maintained. The product also carries a California Proposition 65 warning for lead. ### What are the benefits of using 3M Peltor Optime 105 earmuffs? The key benefits include superior noise reduction (29 dB NRR), enhanced durability with stainless steel construction, comfortable fit with hard hat compatibility, and reliable hearing protection for demanding industrial applications. They are designed to safeguard hearing in high-noise environments. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0017YEMPM-0.webp 2. https://images.crowcrowcrow.com/B0017YEMPM-3.webp 3. https://images.crowcrowcrow.com/B0017YEMPM-6.webp 4. https://images.crowcrowcrow.com/B0017YEMPM-9.webp 5. https://images.crowcrowcrow.com/B0017YEMPM-11.webp 6. https://images.crowcrowcrow.com/B0017YEMPM-14.webp --- Source: https://crowcrowcrow.com/p/3m-peltor-optime-105-behind-the-head-earmuff-factory-one-size/jjw4322 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 13-15 days. Prices are all-inclusive (duties + GST).