Steel-toed safety boots planted on wet rebar at an active construction site, sparks from overhead grinder sheeting down, high-vis trousers cropped at the calf, industrial chaos in background bokeh

Production Record — 2019–2026

2.4 million pairs.

Zero critical failure returns.

ASTM F2413-18 · ANSI/ISEA Z41 · EN ISO 20345

Built betweenmolten rubberand falling steel.

Procurement-grade documentation. Every material compound, every pressure test, every pass rate — published below. No sales deck. Just evidence.

ST/75Steel Toe

PR/75Puncture Resistant

EHEH Rated

MT/75Metatarsal Guard

Scroll to audit

PANEL 01 / RAW MATERIAL SOURCING

Supply Chain Dossier

Every compound sourced against specification. Supplier audits conducted annually. Material certifications on file and available upon request.

LIVE DATA — FEB 2026

Supplier Origin Map

World map showing supplier origin locations for Tread safety boot components across Taiwan, Germany, USA, Malaysia, and China

Compound Breakdown by Weight

NBR Rubber Outsole

38%

PU Midsole Foam

22%

Nylon Upper

24%

Steel Components

16%

ID	Material	Compound	Origin	Tensile	Status
RM-001	Ballistic Nylon Upper ASTM D5034	1680D Cordura® Nylon	Taipei, Taiwan	4,200 N/cm²	VERIFIED
RM-002	Polyurethane Midsole ISO 20344 §5.3	MDI-Based PU Foam	Leverkusen, Germany	2.8 MPa	AUDITED
RM-003	Steel Toe Cap ASTM F2413 §5.1	High-Carbon HSLA Steel	Pittsburgh, PA, USA	448 MPa yield	VERIFIED
RM-004	Rubber Outsole Compound ISO 20344 §8.4	Nitrile Butadiene Rubber	Kuala Lumpur, Malaysia	18 MPa	ACTIVE
RM-005	Anti-Puncture Plate EN ISO 20344 §5.8.2	Stainless Steel 304 Mesh	Dongguan, China	620 MPa	VERIFIED

5 suppliers · Last audit: Jan 2026

PANEL 02 / SOLE INJECTION MANUFACTURING

Process Readouts

Every production run logged. Temperature and pressure parameters maintained within ±2% of specification across all six manufacturing stages.

PLANT: ALLENTOWN PA-01SHIFT: 07:00–19:00 EST

Injection Temp

185°C

Nominal: 185 ±5°C

Clamp Pressure

280bar

Nominal: 280 ±8 bar

Cure Temp

155°C

Nominal: 155 ±3°C

Cycle Time

8min

Nominal: 8 min/pair

STAGE 01

Rubber Compounding

45 min

NBR compound mixed with carbon black and vulcanization agents in a Banbury mixer at controlled temperature.

TEMP

160°C

PRESSURE

12 bar

STAGE 02

Sole Injection Molding

8 min/pair

Compound injected into dual-density mold. PU midsole bonded to rubber outsole under hydraulic pressure.

TEMP

185°C

PRESSURE

280 bar

STAGE 03

Upper Lasting

12 min/pair

Ballistic nylon upper lasted over steel form. Heat-activated adhesive bonding at precise temperature window.

TEMP

70°C

PRESSURE

6 bar

STAGE 04

Steel Toe Seating

3 min/pair

HSLA steel cap pressed into molded pocket. Compression fit verified against 75 ft-lb impact specification.

TEMP

Ambient

PRESSURE

18 bar

STAGE 05

Vulcanization Cure

22 min

Final vulcanization in autoclave. Cross-linking density monitored by inline rheometer for batch consistency.

TEMP

155°C

PRESSURE

8 bar

STAGE 06

Quality Inspection Gate

6 min/pair

Automated vision system checks dimensional tolerances ±0.3mm. Manual flex test on 5% random sample.

TEMP

Ambient

PRESSURE

N/A

Pairs / Shift

1,240

Batch Reject Rate

0.31%

Press Uptime

97.8%

Cure Compliance

100%

Active Batch

B-2026-0847

PANEL 03 / IMPACT & PUNCTURE TESTING

Force Curve Analysis

Third-party testing conducted at SGS Testing Lab, Atlanta. Every production lot sampled. Raw data available under NDA for qualified procurement contacts.

LAB: SGS ATLANTACERT VALID: 2024–2027

Impact Force Curve — Steel Toe Cap Test

ASTM F2413-18 §5.1 · 75 ft-lb (101.7 J) impact

Tread TX-7

ASTM Minimum

Peak Impact Force

89.2 kN

Spec: ≤ 100 kN

Clearance at Peak

14.3 mm

Spec: ≥ 12.7 mm

Test Temperature

23°C

ASTM §5.1.2

Samples Tested

30 pairs

Lot: B-2026-0831

Puncture Resistance — ASTM F2413 §5.3

Force required to penetrate anti-puncture plate (Newtons)

TX-7 Pro

1340N

TX-5 Steel

1180N

ASTM Min.

1100N

TX-3 Entry

1210N

All Tread models exceed ASTM minimum by ≥ 7.3%

ASTM F2413-18

ST/75

PASS

Impact: 75 ft-lb · Compression: 2,500 lbf

Steel toe cap resists 75 ft-lb impact with ≥12.7mm clearance maintained.

ASTM F2413-18

PR/75

PASS

Puncture: ≥ 1,100 N

Stainless steel 304 mesh plate certified against 4-inch nail penetration.

ASTM F2413-18

PASS

Electrical: 600V / 60Hz / 1 min

Secondary protection against open electrical circuits up to 600V.

ASTM F2413-18

MT/75

PASS

Metatarsal: 75 ft-lb

External metatarsal guard protects bones across the top of the foot.

ASTM F2892

PASS

Waterproof: 4-hour immersion

Full waterproofing validated under 4-hour immersion at 1m depth.

EN ISO 20345

SB/S3

PASS

European Class S3 — Full Protection

Meets EU construction and petrochemical site requirements.

PANEL 04 / QUALITY GATE PASS RATES

Six-Stage Inspection Audit

Every production lot passes six quality gates before leaving the plant. Pass rates below are rolling 12-month averages. No lot ships with a gate failure unresolved.

Gate	Stage	Check Type	Sample	Pass Rate
QG-01	Incoming Material 26 Feb 2026	Tensile & Hardness	3% per lot	99.7% 847 / 850 lots · Fail mode: Hardness out of spec
QG-02	Sole Molding 26 Feb 2026	Dimensional CMM	5% per shift	99.1% 1,238 / 1,250 lots · Fail mode: Flash / void defect
QG-03	Steel Toe Seating 26 Feb 2026	Impact Clearance	100% automated	100.0% 2,400 / 2,400 lots · Fail mode: None recorded YTD
QG-04	Upper Bonding 25 Feb 2026	Peel Strength	2% per batch	98.8% 988 / 1,000 lots · Fail mode: Adhesive delamination
QG-05	Waterproof Seal 25 Feb 2026	Immersion 4hr	10% per lot	99.4% 994 / 1,000 lots · Fail mode: Seam micro-leak
QG-06	Final Outgoing 26 Feb 2026	Full Visual + Flex	5% per lot	99.9% 2,399 / 2,400 lots · Fail mode: Cosmetic only

Overall QC Pass Rate — YTD 2026

99.48%

Lots Inspected

8,900

Critical Failures

Warranty Claims

0.003%

Pairs Shipped

2.4M

PROCUREMENT INQUIRY

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