Red Wing PetroKing 11-Inch Black Pull-On Safety Boot (Style 3221)

The Red Wing PetroKing safety boot is a premium S3S-rated composite toe pull-on work boot designed for oil, gas, and heavy industrial environments.

The Red Wing PetroKing 3221 combines effortless slip-on entry with uncompromising industrial protection. Engineered specifically for workers in oil, gas, petrochemical, and heavy industrial environments, this 11-inch pull-on safety boot delivers the full PetroKing protection package — ForceGuard™ puncture resistance, static dissipative (ESD) protection, and HRO heat resistant outsole — in a no-lace design built for fast on/off in demanding site conditions.

✅ Safety Ratings & Certifications

• ✅ CE EN ISO 20345 certified
• ✅ S3S — non-metallic toecap + composite midsole + waterproof + antistatic + energy absorbing heel + ankle protection
• ✅ HRO — heat resistant outsole (up to 300°C contact)
• ✅ SR — slip resistant (SRC rated)
• ✅ ESD — electrostatic discharge protection certified

✅ Key Features

• ✅ Pull-On Design — no laces, fast on/off for demanding site environments and confined spaces
• ✅ Full Grain Leather Upper — tough, durable, and built for the harshest industrial environments
• ✅ Non-Metallic Safety Toe — 200 joule impact and 15kN compression protection, metal-free and airport-friendly
• ✅ ForceGuard™ Puncture-Resistant System — Red Wing’s advanced composite midsole for full underfoot protection
• ✅ Static Dissipative (ESD) — safe for use around sensitive electronic equipment
• ✅ HRO Heat Resistant Outsole — withstands contact with surfaces up to 300°C
• ✅ SRC Slip Resistant Outsole — best-in-class grip on wet and oily surfaces
• ✅ 11-Inch Shaft — maximum leg coverage and protection in the most demanding environments
• ✅ Wide Size Range — UK sizes 3–13

Who Is This Boot For?

The PetroKing 3221 is built for oil & gas workers, petrochemical operatives, refinery workers, pipeline workers, and heavy industrial workers who need the highest level of certified protection in a pull-on boot. The 11-inch shaft and no-lace design make it particularly suited to environments where speed of entry and maximum leg coverage are critical.

Specification

• Upper: Full Grain Leather
• Colour: Black
• Style: 11-Inch Pull-On Safety Boot
• Fastening: Pull-On (No Lace)
• Toe Cap: Non-Metallic (Composite)
• Midsole: ForceGuard™ Composite (Puncture Resistant)
• Outsole: Slip & Heat Resistant (SRC / HRO)
• Standard: CE EN ISO 20345
• Rating: S3S HRO SR ESD
• Metal Free: Yes — 100% Non-Metallic
• ESD: Yes — Static Dissipative
• Style Number: 3221
• Origin: USA

Does IronStep offer free UK delivery?
Yes — free standard UK delivery on all orders over £50.

Browse our full range of S3 safety boots and waterproof safety boots for more work footwear options.