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

This vest-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 and leg padding. Available in X-Small, Small, Medium, Large, X-Large, 2X-Large sizes.

Velocity Shipping

Velocity Shipping enables an order to be placed for any Velocity Ship product before 12 PM-EST (Monday-Friday Excluding Holidays) and Reliable Electric will have the order dispatched the same day.
Varies by product option
Save 26%
As low as $388.28
View Size Chart
DBI-SALA Full Body Harness Size Chart

Dedicated pursuit to help workers stay safe at heights

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 (1140126)
Small (1140127)
Medium (1140128)
Large (1140129)
X-Large (1140130)
2X-Large (1140131)

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 Vest Safety Harness Specifications *( 1,2 )

Model Number(s):
1140126, 1140127, 1140128, 1140129, 1140130, 1140131
Product Series:
ExoFit X300™
Product Category(s):
Vest Harnesses
Size Option(s):
X-Small (SKU: 1140126)
Small (SKU: 1140127)
Medium (SKU: 1140128)
Large (SKU: 1140129)
X-Large (SKU: 1140130)
2X-Large (SKU: 1140131)
D-Ring Placement:
Belly Pad:
Body Belt:
Body Belt Material:
Non Pertinent
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:
General Purpose
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 Vest Safety Harness
Subpelvic Strap:
Torso Buckle Material:
Aluminum Alloy/Zinc Plated Steel
Torso Buckle Type:
Padding Location Type:
Back, 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):
5 lbs. (SKU: 1140126)
5.1 lbs. (SKU: 1140127)
5.1 lbs. (SKU: 1140128)
5.2 lbs. (SKU: 1140129)
5.3 lbs. (SKU: 1140130)
5.4 lbs. (SKU: 1140131)
UPC / GTIN No(s).:
00840779154722 (SKU: 1140126)
00840779154739 (SKU: 1140127)
00840779154746 (SKU: 1140128)
00840779154753 (SKU: 1140129)
00840779154760 (SKU: 1140130)
00840779154777 (SKU: 1140131)
Manufacturer Part No(s).:
70804444704 (SKU: 1140126)
70804444712 (SKU: 1140127)
70804444720 (SKU: 1140128)
70804444738 (SKU: 1140129)
70804444746 (SKU: 1140130)
70804444753 (SKU: 1140131)
Write Your Own Review
You're reviewing:3M™ DBI-SALA® ExoFit™ X300 Comfort Vest Safety Harness

3M™ DBI-SALA® ExoFit™ Harness Size Chart

Open | Download

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

Open | Download

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

Open | Download