Est. 2014 | USA Small Business

Ops-Core SOTR & SOTR Lite | 99.97% Filtration & NVG Compatible
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Ships today or next day on most orders that are "In Stock". Some orders that are custom or large may take extra time to prepare.
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Return & Exchange policy:
- Summary: Don't take those sweet Instagram pics and then try to return a used item. Must be within 30 days of delivery.
- Exchanges: Realized you need a different item? That's ok! Exchanges and returns are incredibly easy.
- We are a Small Business: We do the most we can to help with return costs, but we are not Amazon and cannot take hits or losses like Amazon.
- Wrong Items: Mistakes rarely happen. Atomic Defense takes pictures of orders before they are packaged and shipped. We pay for return, recertification, and exchange shipping costs if we ever make a mistake on your orders.
- Rules for Returns: We will deduct refurbishing costs, plus materials and labor, of used products or modified products - or decline the return. This includes, but is not limited to; products with residue, smells, scratches, missing parts, debris, dents and damage. **We reserve the right to refuse returns. Refused returns shipping cost back to the buyer are not covered by Atomic Defense.
- Packaging: Ensure returns are packaged safely with thick padding on all six sides. Failure to correctly package returns may damage products and cost will be deducted from Buyer's account or return refused.
- Bulletproof products: No one else accepts returns on ballistic items. We do.** However, recertification X-Ray costs on returned ballistic items is 20%.
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Ops-Core SOTR | 99.97% Filtration Efficiency and NVG Compatible
- The Ops-Core SOTR is a half-mask respirator that helps you breathe safely when the air is dirty and dangerous. It's made for professionals who need serious protection that works with their tactical gear. This mask blocks harmful particles so you can focus on your mission, not what you're breathing.
- Breathe Pure Air with 99.97% Filtration: This mask blocks nearly all harmful airborne particles you might face in the field. It helps keep your lungs safe from threats like lead, asbestos, explosive gunfire residue, and lubricant mists.
- Stay Mission-Ready with Full Gear Integration: The SOTR’s low-profile shape is made to fit perfectly with your helmet, night vision goggles (NVGs), and other eye or ear protection. It won't get in the way when you need to interface with your weapon system.
- Breathe Easier with Twin Exhalation Valves: This mask has two special valves that make it much easier to breathe out. This helps you stay comfortable and less tired, even when you're working hard.
- Change Filters in Seconds with One Hand: The front-mounted filter lets you swap in a new one quickly using just one hand. You can stay protected without losing focus or slowing down your mission.

Ops Core SOTR Review
What are some standard accessories to add to the Ops-Core SOTR mask?
Core Filtration & Airflow
- Ops-Core SOTR Filter: The primary consumable component that completes the product's core protective function. This filter provides at least 99.97% filtration efficiency against a wide range of oil and non-oil-based airborne particulates, including lead, asbestos, lubricant mist, and explosive gunfire residue. It is designed for quick, one-handed installation to maintain protection with minimal operational downtime.
Ops-Core SOTR Respirator Features & Specifications
The Ops-Core SOTR is a tactical half-mask respirator designed to provide elite respiratory protection without compromising operational effectiveness. Its core value comes from offering 99.97% filtration against a wide range of hazardous airborne particulates, including lead, asbestos, and explosive gunfire residue. Unlike traditional respirators, the product features a low-profile, streamlined design that seamlessly integrates with helmets, NVGs, eye protection, and communications headsets, ensuring that an operator's gear and weapon interface remain clear. Features like twin exhalation valves for easier breathing and the ability to perform a one-handed filter change make it an essential tool for anyone who needs reliable protection in high-stakes environments.
Key Features
- Superior Particulate Filtration: Offers at least 99.97% filtration efficiency against a wide range of oil and non-oil based airborne contaminants like lead, asbestos, fentanyl, lubricant mist, and explosive gunfire residue.
- Seamless Gear Integration: Designed to be worn with Ops-Core helmets and is compatible with NVGs, eye protection, and over-the-ear hearing protection products.
- Enhanced Breathability: Features two exhalation valves for easier breathing, reducing fatigue during strenuous activity.
- Rapid Filter Change: The front-mounted filter port allows for quick, one-handed filter changes, keeping downtime to a minimum during operations.
- Secure & Comfortable Fit: Made with a flexible, lightweight silicone facepiece with a wide, pleated design that provides a secure seal on a large variety of facial types.
- Versatile Harness System: The standard SOTR kit includes both a Head Harness for use without a helmet and a Helmet Harness for direct integration. The SOTR Lite comes with a Head Harness only.
- Communications Capable: The standard SOTR is available in a configuration with an integrated microphone that is compatible with standard ground communications headsets. The SOTR Lite does not have communications capabilities.
Specifications
- Filtration Efficiency: ≥99.97% against airborne particulates.
- Mask Type: Half-Mask Respirator.
- Facepiece Material: Lightweight Silicone.
- Intended Use: Ground applications (not for aircraft use).
What's in the box of the Ops-Core SOTR tactical respirator?
SOTR Kit Includes:
- (1) SOTR Respirator
- (2) Particulate Filters
- (1) Head Harness
- (1) Helmet Harness
- (1) Microphone and (1) Communications Cable (Included with the microphone version only)
SOTR Lite Kit Includes:
- (1) SOTR Lite Respirator
- (1) Particulate Filter
- (1) Head Harness
Ops-Core SOTR special ops tactical respirator FAQs
What does the SOTR mask protect me from?
The Special Operations Tactical Respirator mask is a half-mask respirator that helps you breathe safely in environments with poor air quality. Its filter is very effective, blocking 99.97% of harmful airborne particles. This helps protect you from dangerous substances like lead, asbestos, fentanyl, lubricant mist, and explosive gunfire residue.
What is the difference between the SOTR and the SOTR Lite?
The standard Special Operations Tactical Respirator is designed to work with a tactical helmet and can be bought with a microphone for radio communications. It comes with two filters, a helmet harness, and a head harness. The Special Operations Tactical Respirator Lite is a more basic version that is not compatible with helmets and does not have a communications option. It includes one filter and a head harness.
Can I wear the SOTR with my helmet?
Yes, the standard SOTR is made to be worn with or without a helmet. It includes a special helmet harness for a secure fit with your gear. The mask's low-profile design also works well with NVGs, eye protection, and hearing protection. However, the SOTR Lite version is not designed to be used with a helmet.
How does the microphone option work?
You can get the standard SOTR with a built-in microphone that connects to standard ground communications headsets. This allows you to speak clearly on your radio without having to remove your mask and break the seal.
How do I know when to change the filter?
You should replace the filter as soon as it becomes difficult to breathe through. For best safety, you should always start an operation or training exercise with a new filter. The filter is mounted on the front, which allows for a quick, one-handed change.
Is it hard to breathe in this mask?
The mask is designed to make breathing easier, even during intense activity. It has two exhalation valves that let you breathe out more naturally, which reduces heat and fatigue.
Can I use this mask for medical purposes or in an airplane?
No, the SOTR and SOTR Lite are not intended for medical use. They are designed specifically for ground applications and should not be used in aircraft.
What is the correct name for this mask?
The official name is the Ops-Core Special Operations Tactical Respirator. It is also commonly referred to as the Ops-Core SOTR or simply SOTR. The acronym SOTR stands for Special Operations Tactical Respirator, which describes its design for high-stakes field use. The simpler version is officially called the Ops-Core SOTR Lite. While you may see other terms used, the following are not official product names:
- Opscore SOTR
- Gentex Ops Core SOTR
- SOTR Ops Core
- Ops Core Tactical Respirator
- Ops Core Respirator
SOTR Mask for sale
The Special Operations Tactical Respirator is available for purchase through Atomic Defense, an authorized dealer of Ops-Core products. When you choose Atomic Defense, you can expect genuine Ops-Core SOTR units and reliable customer support.