3M™ DBI-SALA® ExoFit™ X300 Comfort Construction Climbing/Positioning Safety Harness

This construction-style climbing/positioning safety harness is equipped with back, front, and hip D-ring locations. It features an auto-locking quick connect chest buckle with tongue buckle legs and is fitted with back, hip and leg padding. Available in X-Small, Small, Medium, Large, X-Large, 2X-Large sizes.

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DBI-SALA Full Body Harness Size Chart

The ultimate full body harness for those who refuse to compromise

The DBI-SALA® ExoFit™ X300 from 3M™ is designed for those who refuse to compromise. The X300 harnesses have high-quality components that improve safety, comfort, and performance while working at height. In addition to 6,000lb polyester webbing, the X300 comfort harness has 3M Scotchlite™ panels and lightweight aluminum hardware. New dorsal D-ring technology helps workers connect quickly and safely. To maximize fit and worker experience, locking torso adjustment and quick-connect buckle alternatives are provided. Optional weight distribution systems help alleviate shoulder strain and fatigue.

3M™ DBI-SALA® full-body harnesses are designed to achieve optimal fit, function, and efficiency while meeting all safety and performance criteria. ExoFit™ harnesses continually evolve via engineering, jobsite research, and new materials and technologies. With over 400 new harness options, 3M™ DBI-SALA® has your back and can help your team achieve greater heights. Upgrade your safety harness to 3M™ DBI-SALA® ExoFit™ X100, X200, and X300 to keep your workers comfortable under challenging situations.

Size Options:

X-Small (1140186)
Small (1140187)
Medium (1140188)
Large (1140189)
X-Large (1140190)
2X-Large (1140191)

Product Highlights

  • Revolving torso adjusters for a safe and comfortable fit
  • Personal SRL adapter
  • Anti-Slide dorsal D-ring pad
  • Integrated suspension trauma relief straps
  • Auto-resetting lanyard keepers
  • Comfort padding with breathable mesh under-side
  • 3M™ Connected Safety ID (RFID)

3M™ DBI-SALA® ExoFit™ X300 Comfort Construction Climbing/Positioning Safety Harness Specifications *( 1,2 )

Model Number(s):
1140186, 1140187, 1140188, 1140189, 1140190, 1140191
Product Series:
ExoFit X300™
Product Category(s):
Climbing Harnesses, Construction Harnesses, Multi Use & Positioning Harnesses
Size Option(s):
X-Small (SKU: 1140186)
Small (SKU: 1140187)
Medium (SKU: 1140188)
Large (SKU: 1140189)
X-Large (SKU: 1140190)
2X-Large (SKU: 1140191)
D-Ring Placement:
Back, Front, Hip
Belly Pad:
Body Belt:
Body Belt Material:
Chest Buckle Material:
Aluminum Alloy/Zinc Plated Steel
Chest Connection Type:
Auto-locking Quick Connect
Connected Safety ID Equipped:
D-ring Material:
D-ring Placement:
Back, Front, Hip
Harness Application:
Climbing, Construction, Positioning
Hip Pad:
Intended Use Disclaimer:
For industrial/occupational use only. Not for consumer sale or use.
Intended use and user:
Leg Buckle Material:
Aluminum Alloy/Stainless Steel
Leg Buckle Type:
Tongue Buckle
Number Of Connection Points:
Product Type:
Comfort Construction Climbing/Positioning Safety Harness
Subpelvic Strap:
Torso Buckle Material:
Aluminum Alloy/Zinc Plated Steel
Torso Buckle Type:
Padding Location Type:
Back, Hip, Leg
Product Color:
Product Series:
Specifications Met:
ANSI Z359.11, OSHA 1910.140, OSHA 1926.502
Webbing Material:
Weight Capacity (Imperial):
310 lb.
Weight Capacity (Metric):
140.61 kg
Product Weight(s):
7.4 lbs. (SKU: 1140186)
7.4 lbs. (SKU: 1140187)
7.5 lbs. (SKU: 1140188)
7.7 lbs. (SKU: 1140189)
7.8 lbs. (SKU: 1140190)
8 lbs. (SKU: 1140191)
UPC / GTIN No(s).:
00840779155323 (SKU: 1140186)
00840779155330 (SKU: 1140187)
00840779155347 (SKU: 1140188)
00840779155354 (SKU: 1140189)
00840779155361 (SKU: 1140190)
00840779155378 (SKU: 1140191)
Manufacturer Part No(s).:
70804445305 (SKU: 1140186)
70804445313 (SKU: 1140187)
70804445321 (SKU: 1140188)
70804445339 (SKU: 1140189)
70804445347 (SKU: 1140190)
70804445354 (SKU: 1140191)
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3M™ DBI-SALA® ExoFit™ Harness Size Chart

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3M™ DBI-SALA® ExoFit™ Safety Harnesses Brochure

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3M™ DBI-SALA® ExoFit™ X-Series Harnesses X300 Sell Sheet

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3M™ DBI-SALA® X300 Full Body Harness User Instructions

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