3M™ DBI-SALA® ExoFit™ X100 Comfort Climbing Vest Safety Harness – Quick-Connect Chest, Tongue Buckle Legs, Front & Back D-Rings

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The 3M™ DBI-SALA® ExoFit™ X100 Comfort Climbing Vest Safety Harness is designed for professional climbing and fall-protection applications requiring both dorsal and sternal attachment points. This configuration features a quick-connect chest buckle, tongue-buckle leg straps, front and back D-rings, 6,000 lb polyester webbing, hybrid comfort padding, revolving torso adjusters, an integrated personal SRL adapter, low-profile suspension trauma relief straps, and 3M Connected Safety ID. Available in sizes Small through 2XL, it meets applicable ANSI Z359.11 and OSHA fall-protection requirements.

Product Overview

The 3M DBI-SALA ExoFit X100 Comfort Climbing Vest Harness combines the attachment points needed for climbing applications with the comfort, fit, and equipment-management features of the ExoFit X100 platform.

This specific configuration is a vest-style climbing harness with two connection points: a dorsal back D-ring and a front/sternal D-ring. It does not include a body belt or hip positioning D-rings, distinguishing it from ExoFit X100 climbing/positioning and tower-climbing configurations.

The harness is built with 6,000 lb polyester webbing, nylon/polyester hybrid comfort padding, and alloy-steel hardware. 3M's anti-slide dorsal D-ring pad helps limit unwanted movement of the back D-ring while also providing a convenient location for the integrated personal self-retracting lifeline adapter.

For everyday use, the X100 incorporates a quick-connect chest buckle for fast donning and adjustment while traditional tongue-buckle leg straps provide a familiar, secure adjustment method. Revolving torso adjusters help lock the webbing into position after the harness has been properly fitted.

Integrated low-profile suspension trauma relief straps provide an immediately available post-fall relief feature, while 3M Connected Safety ID/RFID technology can assist employers with harness identification and inspection record management.

Key Features

• Genuine 3M™ DBI-SALA® ExoFit™ X100 full-body harness
• Comfort Vest Climbing configuration
• Designed for climbing and occupational fall protection
• Front/sternal D-ring
• Back/dorsal D-ring
• Two attachment points
• Quick-connect chest buckle
• Tongue-buckle leg straps
• Anti-slide dorsal D-ring pad
• Integrated personal SRL adapter
• 6,000 lb polyester webbing
• Nylon/polyester hybrid comfort padding
• Removable comfort back pad
• Revolving torso adjusters
• Integrated low-profile suspension trauma relief straps
• 3M Connected Safety ID / RFID
• Zinc-plated steel D-rings and buckle hardware
• Subpelvic strap
• Gray color
• No body belt
• Available in Small through 2XL
• ANSI/ASSP Z359.11 and applicable OSHA compliant configuration
• For industrial/occupational use

Why Choose the 3M DBI-SALA ExoFit X100 Climbing Harness?

Workers who regularly climb fixed ladders, structures, equipment, or other elevated systems can require more than a conventional harness with only a dorsal attachment point.

The ExoFit X100 climbing configuration provides both dorsal and sternal attachment elements. 3M's current X100 instructions identify the dorsal and sternal attachment elements as appropriate connection locations for climbing applications when used as directed with a compatible complete fall-protection system.

At the same time, this model avoids some of the additional hardware found on positioning or tower-climbing harnesses. There are no hip positioning D-rings or integrated body belt, making it a strong choice for buyers who need a dedicated climbing harness without unnecessary positioning hardware.

The X100 platform also adds features intended to make day-to-day harness use easier: comfort padding, revolving torso adjustments, an anti-slide dorsal assembly, integrated SRL attachment capability, and built-in suspension trauma relief straps.

Front & Back D-Ring Configuration

The ExoFit X100 climbing vest includes two D-ring attachment points:

3M's current instructions identify dorsal and sternal attachment elements for climbing, while also emphasizing that the attachment element and complete system must be appropriate for the intended application.

This model should not be confused with an ExoFit X100 climbing/positioning harness, which adds hip or positioning D-rings.

Quick-Connect Chest Buckle

The quick-connect chest buckle provides fast connection and release during harness donning and removal.

The chest hardware on this configuration is zinc-plated steel, while the X100 user instructions rate its quick-connect buckle components at 4,000 lbf tensile strength.

For companies whose workers put on and remove fall protection multiple times throughout a shift, the quick-connect chest design can provide a convenient alternative to traditional pass-through chest connections.

Tongue-Buckle Leg Straps

The ExoFit X100 uses tongue-buckle leg straps, giving users a familiar belt-style adjustment system with defined adjustment holes.

3M's X100 instructions specify steel/alloy-steel tongue buckles rated at 4,000 lbf tensile strength.

This chest/leg combination—quick-connect chest with tongue-buckle legs—is an important search and purchasing distinction because the ExoFit X100 family is offered with several different buckle combinations.

Integrated Personal SRL Adapter

The ExoFit X100 incorporates a personal SRL adapter at the dorsal D-ring assembly, allowing compatible personal self-retracting lifelines to be attached without relying solely on conventional web-mounted adapter arrangements.

3M specifically identifies the adapter as a feature intended to make compatible personal SRLs easier to connect and disconnect.

Always verify the personal SRL and harness combination against the current instructions for both components before use.

Anti-Slide Dorsal D-Ring Pad

A common issue with traditional harness designs is unwanted movement of the dorsal D-ring down the worker's back.

The ExoFit X100 incorporates an anti-slide dorsal D-ring pad designed to reduce this movement and help maintain the attachment area in the intended position. The same dorsal assembly also serves as the location for the personal SRL adapter.

Integrated Suspension Trauma Relief Straps

Low-profile suspension trauma relief straps are integrated into the X100 harness.

When appropriately deployed following a fall, suspension relief equipment can allow a conscious suspended worker to change their supported position while awaiting rescue. It is not a substitute for a rescue plan; 3M's instructions require employers using fall-protection systems to have an appropriate rescue plan and means to implement it.

3M Connected Safety ID / RFID

The ExoFit X100 is equipped with an RFID tag / 3M Connected Safety ID.

3M states that the RFID tag can be used with an appropriate scanner to record product inspection results, making the feature useful for organizations managing multiple harnesses and recurring inspection programs.

Ideal Applications

• Fixed ladder climbing
• Industrial climbing
• General manufacturing
• Plant maintenance
• Transportation
• Utility work
• Construction
• Elevated equipment access
• Facility maintenance
• Structural access
• General industrial fall protection
• Applications requiring front and back attachment points

3M classifies this specific configuration as a Climbing harness rather than a positioning harness.

Product Specifications

The configuration specifications are supported by the current Durawear listing, 3M product information, X100 sell sheet, and X100 user instructions.

Capacity – Important Clarification

This is one specification I would change on the current Durawear page.

The page currently lists simply “Weight Capacity: 420 lb.”

3M's current X100 user instructions are more specific:

Capacity includes the worker's combined body weight, clothing, tools, and carried equipment, and the complete fall-protection system is limited by its lowest-rated component.

For the Durawear specification table, I recommend using:

Capacity: ANSI 130–310 lb; OSHA up to 420 lb, including worker, clothing, tools and carried equipment

That is more precise than displaying only “420 lb.”

Available Sizes & Manufacturer Part Numbers

3M's current X100 configuration guide identifies 1401115–1401118 as the Small through XL versions of the Comfort Vest Climbing – Back/Front – Tongue Buckle Legs – Quick-Connect Chest configuration, and 3M's individual product listing confirms 1401119 as the 2X version.

Frequently Asked Questions

What is the 3M ExoFit X100 1401115–1401119 configuration designed for?

It is a Comfort Vest Climbing Safety Harness equipped with front and back attachment points, a quick-connect chest buckle, and tongue-buckle leg straps.

Does this harness have a front D-ring?

Yes. This climbing configuration includes both a front/sternal D-ring and back/dorsal D-ring.

Does it have side positioning D-rings?

No. This model has only front and back D-rings and does not include a body belt or hip positioning D-rings. Buyers needing work-positioning capability should select the appropriate ExoFit X100 climbing/positioning configuration instead.

What type of chest buckle does it use?

The harness uses a quick-connect chest buckle made from zinc-plated steel.

What type of leg buckles does it use?

It uses tongue-buckle leg straps with zinc-plated steel hardware.

Can a personal SRL be attached to the ExoFit X100?

The X100 incorporates an integrated personal SRL adapter designed to simplify installation and removal of compatible personal self-retracting lifelines. Compatibility should always be confirmed with the current 3M instructions.

Does the harness include suspension trauma straps?

Yes. Low-profile suspension trauma relief straps are integrated into the harness.

Is the ExoFit X100 RFID equipped?

Yes. The harness incorporates 3M Connected Safety ID / RFID, which can support equipment identification and inspection-record workflows.

What is the maximum weight capacity?

3M's current instructions specify 130–310 lb under ANSI requirements and up to 420 lb under OSHA, including the user's body weight, clothing, tools, and carried equipment. The complete system cannot exceed the capacity of its lowest-rated component.

What standards does the harness meet?

3M identifies the X100 series with ANSI/ASSP Z359.11 and applicable OSHA 1910.140 and OSHA 1926.502 requirements.

What sizes are available?

This configuration is available in Small, Medium, Large, X-Large, and 2X-Large under part numbers 1401115 through 1401119.

Why buy from Durawear?

Durawear carries 3M DBI-SALA fall-protection equipment including ExoFit harnesses, personal self-retracting lifelines, lanyards, anchorage connectors, vertical systems, and confined-space equipment, allowing buyers to source compatible components for complete occupational fall-protection programs.