3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — Aluminum, 1 Review (2026)

x300 comfort vest fall arrest harness — aluminum, 1 review: the short answer

Short answer: Affiliate disclosure: As an Amazon Associate, WC Safety earns from qualifying purchases at no extra cost to you. Commissions do not influence our review.

Affiliate disclosure: As an Amazon Associate, WC Safety earns from qualifying purchases at no extra cost to you. Commissions do not influence our review.

Reviewed by Steven Eaton, WC Safety Editorial

The 3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — Aluminum, 1113001 is a full body harness from 3M, listed. This review restates what the product page documents, places it in its fall protection lane, and points to the ranked guides for the head-to-head field.

What the Product Page Documents

Published July 16, 2026 · Last updated July 27, 2026

A fall arrest harness at the top of the range spares no comfort, and the 3M DBI-SALA ExoFit X300 Comfort Vest is exactly that: lightweight aluminum hardware, auto-locking quick-connect buckles on the chest and legs, an automatic stand-up aluminum back D-ring, and reflective 3M Scotchlite panels. It carries 6,000 lb webbing, back and leg comfort padding, and an SRL adapter, rated to 420 lb and built to ANSI Z359.11. It is the ExoFit flagship for general-purpose fall arrest — the harness for crews who wear one all day and refuse to compromise.

Shoppers searching an aluminum safety harness, a comfort safety harness, or the exofit x300 harness land here; as a premium dbi sala harness it puts the fullest ExoFit feature set on your back. Match it to your lanyard, SRL, and anchor, covered below.

All-day, all-conditions general fall arrest for workers who prioritize comfort and speed — general industry, utilities, inspection, and aerial work, including low-light jobs where the reflective panels help. It sits in the full body harnesses collection, is the B (body wear) in the ABC system explained in the fall protection equipment guide and the ABCDs of fall protection, and applies wherever a fall hazard triggers the rules in when is fall protection required.

Where It Earns Its Slot

Where it earns its slot: A fall arrest harness at the top of the range spares no comfort, and the 3M DBI-SALA ExoFit X300 Comfort Vest is exactly that: lightweight aluminum hardware, auto-locking quick-connect buckles on the chest and legs, an a. The sections below test that positioning against the documented configuration, not against wishful thinking.

Honest Limits

The limits are non-negotiable in this category: every component protects only within a complete, compatible system — anchor, harness, connector — and only below its rated capacity with the clearance the arrest math requires. Impact-loaded equipment retires immediately, and inspection is a use-by-use duty, not a schedule.

Pros and Cons

Alternatives in the Same Lane

• 3M DBI-SALA ExoFit X100 Construction Positioning Harness — 3
• 3M DBI-SALA ExoFit X100 Comfort Vest Fall Protection Harness
• 3M DBI-SALA ExoFit X200 Comfort Vest Safety Harness — Padded
• 3M DBI-SALA ExoFit Harness X200 — Comfort Construction Posit
• 3M DBI-SALA Delta 1102000 Full Body Harness — Vest-Style, 42
• 3M Protecta First AB17540 Construction Harness — Back & Side
• 3M Protecta Harness (PRO 1191260) — 3 D-Ring Full Body Harne
• 3M Protecta Full Body Harness for Welders — 1191370 Hot Work
• 3M Protecta Comfort Harness — 1161309 Construction Full Body

Fall Protection Guides

• Best Fall Protection Kits
• Best Vertical Lifelines & Rope Grabs
• Best Suspension Trauma Straps
• Best Carabiners & Connectors
• Construction Site PPE Guide

Browse by Category

• Fall Protection
• Lanyards & Lifelines
• Carabiners & Connectors
• Vertical Lifelines & Rope Grabs
• Tool Lanyards
• Hard Hats

The Bottom Line

Rated 4.6/5 on documented spec, configuration, and value. The 3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — Aluminum, 1 does the job its listing describes — the guides above tell you whether it's the right pick against the field.

Primary sources for this page

The wording behind this page sits in OSHA 29 CFR 1926.501, OSHA 29 CFR 1910.132, NIOSH Personal Protective Equipment.

Why trust this page?

Why trust this page? Every figure on it is taken from the published text of the standard or the manufacturer document named beside it, not from a secondary summary. WC Safety is an independent PPE review site: we hold no inventory and sell nothing directly, so there is no product we need this page to favour. Where sources disagree, the page says so and plans on the more conservative figure rather than picking one.

Methodology: how this page is maintained

Methodology. Figures are read from the primary source and re-checked whenever the underlying standard or a manufacturer document changes. No laboratory testing is performed for this page. Where a figure is not published, the page states that rather than estimating it, because a plausible invented number is more dangerous than an absent one.

More questions on this topic

How much does the 3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — A cost?

at the linked listing — prices track the live page, and configuration choices there can shift the number.

What does the 3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — A listing actually document?

A fall arrest harness at the top of the range spares no comfort, and the 3M DBI-SALA ExoFit X300 Comfort Vest is exactly that: lightweight aluminum hardware, auto-locking quick-connect buckles on the chest and legs, an automatic stand-up aluminum back D-ring, and reflective 3M Scotchlite panels. It …

What are the alternatives to the 3M DBI-SALA ExoFit X300 Comfort Vest Fall Arrest Harness — A?

The sibling full body harness options linked in this review, ranked head-to-head in the fall protection guides below — start with the buyer's guides for the field view.