H100 Full Body Harness with Mating Buckles
The Miller H100 series is built around a simple concept: a fundamental fall protection harness with exceptional value. The H1111002 configuration pairs a back D-ring with mating buckles at both the chest and the legs, giving crews one buckle style to learn and a secure, visually verifiable connection at every strap.
Rated for a 420 lb worker and built with five points of adjustment and covered identification labels, the H100 meets the most common fall protection needs in construction and general industry while keeping the per-worker cost low. Hi-vis yellow webbing adds visibility on active sites.
Miller Harness Sizing Chart
Height (ft) by Weight (lb)
| 110 | 130 | 150 | 170 | 190 | 210 | 230 | 250 | 270 | 290 | 310 | 330 | 350 | 370 | 390 | 400 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6′6″ | ||||||||||||||||
| 6′4″ | XXL/XXXL | |||||||||||||||
| 6′2″ | ||||||||||||||||
| 6′ | ||||||||||||||||
| 5′10″ | UNIVERSALMost Popular Size (L/XL) | |||||||||||||||
| 5′8″ | ||||||||||||||||
| 5′6″ | ||||||||||||||||
| 5′4″ | ||||||||||||||||
| 5′2″ | S/M | |||||||||||||||
| 5′ |
S/M fits workers up to 5 ft 10 in and 170 lb, or up to 190 lb at 5 ft 6 in and under. Universal (L/XL) covers the broad middle and is the most popular size. XXL/XXXL fits workers over 6 ft who weigh over 270 lb, and any worker from 350 to 400 lb. Lighter boundary bands are overlap zones where either size fits: size down for a trim fit or up for room over layers. Some Miller spec sheets list these as Size 1 (S/M), Size 2 Universal (L/XL), and Size 3 (2XL and 3XL). Based on the manufacturer's published Miller sizing chart; verify fit per the user manual before first use.
Who Needs This Product
The H100 is the harness for crews that buy in quantity and need every worker certified without paying for features they will not use: new hires, temporary labor, tool cribs, and rental fleets. Mating buckles at every strap mean one buckle style to train, and the covered ID labels survive jobsite abuse so inspections stay documented. Workers who want tongue leg buckles should look at the H1311002 configuration, and crews that want padding step up to the H500 series.
Features
Mating Buckles Throughout
The chest and both leg straps close with interlocking mating buckles: one style to learn, simple to verify visually, and nothing to foul with dirt or ice.
Back D-Ring
A steel dorsal D-ring provides the fall arrest connection point, positioned between the shoulder blades.
Hi-Vis Yellow Webbing
Vibrant color webbing increases worksite safety by keeping workers conspicuous around moving equipment.
Covered ID Labels
Protected identification labels stay legible for the life of the harness, keeping size checks and inspection records easy.
Five Points of Adjustment
Adjustment at the chest, both shoulders, and both legs delivers a custom fit from one low-cost platform.
Lightweight Build
A no-frills polyester webbing platform keeps the harness light and comfortable for occasional and full-day users alike.
Technical Specifications
| SKU | H1111002 family |
|---|---|
| Product | H100 Full Body Harness |
| Sizes | S/M, L/XL |
| Color | Hi-Vis Yellow |
| D-ring | Dorsal (back) |
| Chest buckle | Mating |
| Leg buckles | Mating |
| Adjustment points | 5 (chest, shoulders, legs) |
| Webbing | Polyester |
| Max working load | 420 lb / 190 kg including all clothing, tools, and equipment |
| Packaging | Bagged each, 10 per case |
| Country of origin | China |
| Standards | ANSI Z359.11; OSHA 1926.502; OSHA 1910.140 |
| Warranty | Miller Limited Lifetime Warranty against defects in workmanship and materials |
Sizes and Ordering Information
| Size | SKU | UPC |
|---|---|---|
| S/M | H11110021 | 612230242824 |
| L/XL | H11110022 | 612230241445 |
Both stocked sizes are selectable from the size options above. The L/XL size fits the majority of workers.
Fit before the first step up. Adjust all five points so the dorsal D-ring sits between the shoulder blades, the chest strap crosses mid-chest, and the leg straps allow a flat hand but not a fist. A harness that has arrested a fall is done: remove it from service immediately.
Compliance Standards
ANSI Z359.11
Certified to the ANSI/ASSE Z359.11 standard for full body harnesses, covering design, testing, and marking requirements.
OSHA 1926.502 and 1910.140
Meets OSHA requirements for personal fall arrest system body wear in both construction and general industry.
ANSI Z359.2
The inspection program for this harness follows ANSI Z359.2: user inspection before each use plus documented competent person inspection at least annually.
Typical Applications
Donning Overview
- Hold the harness by the back D-ring and shake it out so the straps hang free without twists.
- Slip the shoulder straps on like a vest, keeping the webbing flat against the body.
- Connect the chest buckle and position the chest strap across the middle of the chest.
- Fasten each leg buckle so the strap allows a flat hand between the strap and the leg, but not a fist.
- Work through all five adjustment points until the dorsal D-ring rests between the shoulder blades, then stow the strap ends.
Full donning and adjustment instructions are in the Miller harness manual linked in the documentation section below.
Inspection and Retirement
Inspect this harness before each use, and have a competent person other than the user formally inspect it at least annually per ANSI Z359.2. Check each point below and record the results on the inspection form linked in the documentation section.
- Webbing: cuts, frays, burns, chemical damage, UV fading, or broken stitching anywhere on the harness.
- Hardware: D-rings and buckles for cracks, corrosion, distortion, or sharp edges.
- Adjusters and keepers: slippage, missing keepers, or strap ends that will not stay stowed.
- Labels: present and legible, including the size, standards, and serial information.
Retirement triggers: any fall arrest event, any webbing or hardware defect found during inspection, or any condition where the inspector cannot positively verify the harness is fit for service.
Fall ProtectionDistributors, LLC Free Tool · No Signup · OSHA 1926.502 Free Interactive Tool Fall Protection Calculator Pick your system. Run the math. Generate a plan. 1Pick Your SystemDetermine fall restraint vs. fall arrest based on your work surface, edge access, and clearance. 2Run the MathCalculate exact fall clearance required below the work surface for your SRL or lanyard setup. 3Generate a PlanGet a printable OSHA-compliant Fall Protection Plan structured around 29 CFR 1926.502(k).
Frequently Asked Questions
Miller H100 Harness Submittals and Documentation
H100 Specification Sheet (PDF)Technical data, sizing, materials, and SKU-level UPC information. H100 User Instruction Manual (PDF)Miller I119 manual: donning, adjustment, use limitations, and inspection criteria. Miller Fall Protection Catalog (PDF)The full Miller line: body wear, connecting devices, anchors, and rescue. H100 Harness Inspection Form (PDF)Printable pass/fail checklist for documented harness inspections.Compatible and Related Products
- Miller T4500 Titan II Non-Stretch Harness. The hi-viz general purpose harness in the same Titan II line.
- Guardian CR5 Class 1 Single Leg Web SRL, 6 ft. A compact web SRL to pair with the dorsal D-ring.
- Guardian 10733 Suspension Trauma Strap, 4-Pack. Add a trauma relief strap to every harness on the crew.
Outfitting a Crew with Harnesses?
Sizing, buckle styles, and duty level decide the right harness. Confirm your crew with us and we will make sure the right equipment ships together, based on the delivery location.
Call 863-703-4522 to talk to a fall protection specialist.
Miller Limited Lifetime Warranty
Miller Fall Protection products are covered by the Miller Limited Lifetime Warranty. In the manufacturer's words: "We sincerely believe that our fall protection equipment is the best in the world. Our products endure rigorous tests to ensure that the fall protection equipment you trust is manufactured to the highest standards. Miller fall protection products are tested to withstand normal wear and tear, but are not indestructible and can be damaged by misuse."
In the unlikely event that you should discover defects in either workmanship or materials, under the Limited Lifetime Warranty, Miller will repair or replace the product at the manufacturer's expense. If a replacement is necessary and your product is no longer available, a comparable product will be substituted. The Limited Lifetime Warranty does not apply to normal wear and tear or abusive treatment of the product.
Miller is a brand of Protective Industrial Products, Inc. (PIP). Should a product issue surface, contact Fall Protection Distributors, LLC and we will coordinate the warranty claim with the manufacturer.
