3M™ DBI-SALA® ExoFit™ X300 Comfort Oil & Gas Climbing/Positioning Safety Harness

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

SKUs: 1403223, 1403224, 1403225, 1403226, 1403227

View Size Chart
DBI-SALA Full Body Harness Size Chart

The tower climbing safety 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:

Small (SKU: 1403223)
Medium/Large (SKU: 1403224)
Large (SKU: 1403225)
X-Large (SKU: 1403226)
2X-Large (SKU: 1403227)

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 Oil & Gas Climbing/Positioning Safety Harness Specifications *( 1,2 )

Model Number(s):
1403223, 1403224, 1403225, 1403226, 1403227
Product Series:
ExoFit X300™
Product Category(s):
Climbing Harnesses, Multi Use & Positioning Harnesses, Specialty Harnesses
Size Option(s):
Small (SKU: 1403223)
Medium/Large (SKU: 1403224)
Large (SKU: 1403225)
X-Large (SKU: 1403226)
2X-Large (SKU: 1403227)
D-Ring Placement:
Back, Front, Rescue
Belly Pad
Body Belt
Chest Buckle Material
Aluminum Alloy/Zinc Plated Steel
Chest Connection Type
Auto-locking Quick Connect
Color Family
D-ring Material
D-ring Placement
Rescue, Back, Front
Harness Application
Rigging, Climbing, Positioning
Hip Pad
Leg Buckle Material
Aluminum Alloy/Stainless Steel
Leg Connection Type
Tongue Buckle
Number of Connection Points
Padding Location Type
Leg, Back
Product Color
Product Series
Product Type
Comfort Construction Oil & Gas Climbing/Positioning/Suspension Safety Harness
Recommended Application
Machine Operation
Recommended Industry
Oil & Gas
Specifications Met
OSHA 1926.502, OSHA 1910.140, ANSI Z359.11
Subpelvic Strap
Torso Buckle Material
Aluminum Alloy/Zinc Plated Steel
Torso Buckle Type
Webbing Material
Weight Capacity (Imperial)
420.0 lb.
Weight Capacity (Metric)
190.0 kg
Product Weight(s):
5.6 lbs. (SKU: 1403223)
5.7 lbs. (SKU: 1403224)
5.8 lbs. (SKU: 1403225)
5.9 lbs. (SKU: 1403226)
5.9 lbs. (SKU: 1403227)
UPC / GTIN No(s).:
00648250240076 (SKU: 1403223)
00648250240083 (SKU: 1403224)
00648250240090 (SKU: 1403225)
00648250240106 (SKU: 1403226)
00648250240113 (SKU: 1403227)
Manufacturer Part No(s).:
7012818050 (SKU: 1403223)
7012818051 (SKU: 1403224)
7012818052 (SKU: 1403225)
7012818053 (SKU: 1403226)
7012818054 (SKU: 1403227)

Product Specification Disclaimer *( 1, 2 )

*1. Manufacturer's specifications are supplied by the manufacturer and are subject to change without notice. The data and information contained in these specification sheets are representative; the ratings supplied are suggested as guidelines and should only be used for evaluating your specific application.

**2. Although Reliable Electric Products Company Inc. has made every effort to ensure the accuracy of information by third parties, it is ultimately the customer’s responsibility to validate these specifications to ensure they are suitable for SAFE use in a particular application. Reliable Electric Products Company Inc. disclaims to the extent permitted by law, any warranty or liability.

Manufacturer's Extended Intended Use Disclaimer

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.

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

Open | Download

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

Open | Download

3M™ Personal Safety Products - Firefighting Notice

Open | Download