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

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

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DBI-SALA Full Body Harness Size Chart

Precision-tuned for performance and productivity

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:

Small (1403048)
Medium (1403049)
Large (1403050)
X-Large (1403051)
2X-Large (1403052)

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 Safety Harness Specifications *( 1,2 )

Model Number(s):
1403048, 1403049, 1403050, 1403051, 1403052
Product Series:
ExoFit X300™
Product Category(s):
Construction Harnesses
Size Option(s):
Small (SKU: 1403048)
Medium (SKU: 1403049)
Large (SKU: 1403050)
X-Large (SKU: 1403051)
2X-Large (SKU: 1403052)
D-Ring Placement:
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:
Harness Application:
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 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):
6.7 lbs. (SKU: 1403048)
6.7 lbs. (SKU: 1403049)
6.7 lbs. (SKU: 1403050)
6.7 lbs. (SKU: 1403051)
6.7 lbs. (SKU: 1403052)
UPC / GTIN No(s).:
00648250202432 (SKU: 1403048)
00648250202449 (SKU: 1403049)
00648250202456 (SKU: 1403050)
00648250202463 (SKU: 1403051)
00648250202470 (SKU: 1403052)
Manufacturer Part No(s).:
70804554635 (SKU: 1403048)
70804554643 (SKU: 1403049)
70804554650 (SKU: 1403050)
70804554668 (SKU: 1403051)
70804554676 (SKU: 1403052)
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3M™ DBI-SALA® ExoFit™ Harness Size Chart

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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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