This variant of the 3M SecureFit 400 Series adds a removable foam-lined gasket to the indoor/outdoor mirror anti-scratch configuration. The gasket creates a dust barrier around the eye socket for use in environments with airborne particulates, while the I/O mirror lens handles transitions between indoor and outdoor light. Pressure Diffusion Temple Technology allows self-adjusting fit across head sizes. Anti-scratch polycarbonate lenses block 99.9% UV. Foam gasket detaches without tools when not needed. Meets ANSI Z87.1-2020 and CSA Z94.3-2007 high-impact requirements.
Does the foam gasket reduce fogging with this mirror lens model?
The gasket has airflow vents that help manage airflow. Since this model uses an anti-scratch rather than anti-fog coating, fogging can occur in steam-heavy environments. The gasket primarily provides dust defense rather than anti-fog performance.
Can I use these outside in bright sunlight?
The indoor/outdoor mirror tint reduces glare and is suitable for bright outdoor conditions. However, the lens is not as dark as dedicated sunglasses and is not rated as sun protection eyewear.
Is the foam gasket easy to attach and remove?
Yes. Reviewers confirm the gasket clips on and off without tools, making it straightforward to switch between bare-frame and gasket configurations depending on the task.
Are these suitable for yard work and landscaping?
Yes. Multiple reviewers specifically mention using these for yard work and landscaping. The mirror lens handles sun exposure, and the foam gasket blocks grass clippings and dust.
How long do the temples last before breaking?
Several reviewers note that the temples are somewhat thin. Most report extended use without failure, but care should be taken not to over-flex the temples when putting on or removing the glasses.
# 3M™ SecureFit™ 400 Series Safety Glasses, Indoor/Outdoor Anti-Scratch Mirror Lens, Green/Black Frame, Removable Foam Gasket **Model:** `SF410AS-GASKET` **Brand:** 3M **Category:** Safety Glasses > This variant of the 3M SecureFit 400 Series adds a removable foam-lined gasket to the indoor/outdoor mirror anti-scratch configuration. The gasket creates a dust barrier around the eye socket for use in environments with airborne particulates, while the I/O mirror lens handles transitions between indoor and outdoor light. Pressure Diffusion Temple Technology allows self-adjusting fit across head sizes. Anti-scratch polycarbonate lenses block 99.9% UV. Foam gasket detaches without tools when not needed. Meets ANSI Z87.1-2020 and CSA Z94.3-2007 high-impact requirements. ## Specifications | Attribute | Value | |---|---| | Product Type | Safety Glasses | | Ansi Rating | Z87.1-2020 | | Lens Material | Polycarbonate | | Lens Tint | Indoor/Outdoor Mirror | | Anti Fog | No | | Anti Scratch | Yes | | Frame Color | Green/Black | | Style | Wraparound | | Over The Glass | No | | Weight (lbs) | 0.07 | | Barcode (UPC) | | ## What's Included - 1 pair safety glasses with removable foam gasket Source: https://www.jaspecs.com/3m/safety-glasses/sf410as-gasket-3m-securefit-400-safety-glasses-mirror-foam-gasket/