The 3M™ DBI-SALA® ExoFit™ X300 Comfort Construction Positioning Safety Harness is designed for professionals performing positioning and fall protection tasks on construction sites. Built with durable polyester webbing, it features revolving torso buckles that allow quick harness adjustments while locking the webbing in place to maintain a secure and comfortable fit. An anti-sliding dorsal D-ring pad helps greatly reduce dorsal D-ring movement during work at height, while the lightweight aluminum stand-up D-ring enables efficient dorsal connections. The harness also includes a body belt with hip D-rings to support positioning work and tool-carrying convenience.

Key Features

Revolving torso buckles: Adjust harness fit quickly and lock webbing into place for consistent comfort and stability.
Anti-sliding dorsal D-ring pad: Helps greatly reduce dorsal D-ring slide and maintain proper connection positioning.
Integrated easy-link SRL adapter: Allows fast connection and disconnection of personal self-retracting lifelines.
Auto-locking quick connect buckles: Secure contact with webbing and help reduce the need for frequent readjustment.
Automatic stand-up dorsal D-ring: Lightweight aluminum D-ring remains upright for efficient fall arrest connections.
Integrated trauma straps: Low-profile suspension trauma straps incorporated between harness webbing for post-fall relief.
Auto-resetting lanyard keepers: Allow quick and convenient parking of snap hooks and carabiners.
3M™ Connected Safety ID (RFID): Enables simplified inventory management, inspection tracking, and equipment records.

Intended Use

Designed for workers performing positioning and fall protection tasks on construction sites where mobility, stability, and reliable connection points are required.

Construction and structural work at height
Steel erection and structural installation
Industrial maintenance operations
Utilities and infrastructure construction
Equipment installation and repair

Product Specifications

Product type: Construction positioning full body safety harness
Body belt: Yes
Webbing material: Polyester
D-ring material: Aluminum
D-ring placement: Back (dorsal) and Hip positioning rings
Number of connection points: 3
Chest connection type: Auto-locking Quick Connect
Leg connection type: Auto-locking Quick Connect
Torso buckle type: Revolving torso buckles
Dorsal connection: Automatic stand-up dorsal D-ring
Dorsal stability: Anti-sliding dorsal D-ring pad
Trauma safety: Low-profile suspension trauma straps integrated between webbing
Equipment tracking: 3M™ Connected Safety ID (RFID)
Weight Capacity: CSA: 310 lbs (140 kg) - OSHA : 420 lbs (191kg)


Available configurations

1113120C (7012816204): X-Small
1113121C (7012816206): Small
1113124C (7012816208): Medium
1113127C (7012816210): Large
1113130C (7012816213): X-Large

Certifications and Standards

CSA Z259.10-18: Canadian standard specifying performance requirements for full body harnesses used in fall arrest systems.
OSHA 29 CFR 1910.140: U.S. regulation governing fall protection systems for general industry.
OSHA 29 CFR 1926.502: U.S. construction standard outlining performance criteria for fall protection equipment.