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CMC ATOM Sit Harness
- Lightweight Sit Harness: Delivers maximum comfort and support at just 3.45 lb (1.56 kg) for freer movement.
- NFPA Class II Rated: Certified NFPA Class II, built from the ATOM Series' field-tested comfort platform.
- Adjustable Fit: Waist sizes from 26 in (66 cm) to 48 in (122 cm) across Small, Medium, and Large, with a 20-36 in (51-91 cm) leg loop range.
- Thoughtful Details: Purpose-designed attachment points, buckles, and gear/accessory loops in black/gray for rescue or rope access work.
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CMC ATOM Sit Harness
The CMC ATOM Sit Harness is the first customizable harness in the ATOM Series, developed with years of feedback from experts who spend long hours in a harness and refined through rigorous field-testing for maximum comfort, safety and efficiency.
Key Features and Highlights
- Low-Profile Fit: Improved architecture molds to the user for a lightweight, low-profile fit.
- Ergonomic Padding: Dual density foam padding is laminated to optimize load distribution, with rolled edges at the waist and leg pads.
- Durable Webbing: Polyester webbing keeps a supple hand for easy buckle adjustment and resists water and UV exposure.
- Low-Profile Attachment: Steel D-ring at the waist offers a robust, low-profile connection point, with soft side attachments for work positioning.
- Quick Donning: Cobra Quick-Connect buckles at the legs make donning quick and efficient.
- Gear Storage: Molded gear loops with a high impact, cold resistant polypropylene core, plus a 32-carrier polyester rope-sheath gear loop over-braid and multiple accessory attachment points.
- Workseat Ready: Waist attachment points connect the CMC Skysaddle.
- Expandable: Integrates with the ATOM Chest Harness to create a full body harness.
- Certified: UL certified to NFPA Class II Life Safety Harness.
Who Is This Product For?
Ideal for: Rescue and rope access professionals who want a lightweight, customizable sit harness.
Materials and Construction
Made in the USA of domestic and foreign components. Available in Small, Medium and Large, all 1.56 kg (3.45 lb), in black/gray, with waist sizes of 66-81 cm (26-32 in), 81-107 cm (32-42 in) and 107-122 cm (42-48 in) respectively and a 51-91 cm (20-36 in) leg loop range. Can be configured through CMC’s Build Your Own online tool.
Explore CMC Equipment
Explore the complete CMC collection for professional rigging, rescue and work-at-height equipment.
For bulk orders, project requirements or pricing, Request a Quote.
| Product | CMC ATOM Sit Harness |
|---|---|
| Small Item Number | 202322 |
| Medium Item Number | 202324 |
| Large Item Number | 202325 |
| Color | Black/Gray |
| Small Waist Size | 66-81 cm (26-32 in) |
| Medium Waist Size | 81-107 cm (32-42 in) |
| Large Waist Size | 107-122 cm (42-48 in) |
| Leg Loop Size | 51-91 cm (20-36 in) |
| Weight | 1.56 kg (3.45 lb) |
| NFPA Rating | Class II |
| Manufacturer | CMC |
| Brand | CMC |



