Rock Fall PM104 Chicago Rigger Safety Boot (Style PM104)

The Rock Fall PM104 Chicago is a timeless, wide fit rigger safety boot built for workers who demand reliable protection and all-day comfort in tough outdoor conditions. With a durable LWG-certified leather upper, steel toe cap, steel midsole, and warm faux fur lining, the Chicago is the go-to classic core safety boot for construction, engineering, rail, and heavy industry. Certified to EN ISO 20345:2022 + A1:2024 — the latest standard.

Available at IronStep — the UK's dedicated safety footwear specialists. Sizes 3–16.

✅ Safety Ratings & Certifications

• ✅ EN ISO 20345:2022 + A1:2024 — certified to the very latest standard
• ✅ S3 — steel toecap + steel midsole + water repellent upper + antistatic + energy absorbing heel
• ✅ SC — integral scuff cap — metatarsal and toe protection from scrapes and abrasions
• ✅ FO — fuel oil resistant outsole
• ✅ SR — slip resistant on key surfaces

✅ Key Features

• ✅ LWG Certified Leather Upper — sustainably sourced, durable, repels moisture and dirt
• ✅ Steel Toe Cap — 200 joule impact and 15kN compression protection
• ✅ Stainless Steel Midsole — penetration resistant underfoot protection
• ✅ Warm Faux Fur Lining — extra insulation for freezing temperatures and cold site conditions
• ✅ Wide Fit Last — extra comfort for broader feet across long shifts
• ✅ TPU Rubber Heel Counter — protects heel from scrapes, abrasions and scuffs
• ✅ Integral Scuff Cap (SC) — enhanced toe and metatarsal protection
• ✅ Energy Absorbing Footbed — minimises fatigue on hard surfaces
• ✅ PU Rubber Outsole — excellent grip and traction on various surfaces
• ✅ Water Repellent Upper — keeps feet dry in wet and muddy conditions
• ✅ Recycled Materials — sustainably manufactured with fully sustainable packaging
• ✅ Sizes 3–16 — one of the widest size ranges available in UK safety footwear

Who Is This Boot For?

• Construction workers, groundworkers, and civil engineers in tough outdoor conditions
• Rail, engineering, and heavy industry workers needing robust S3 protection
• Workers with wider feet who need a comfortable, reliable rigger boot
• Those working in cold environments who need extra insulation underfoot
• Workers requiring larger sizes — available up to UK 16

Specification

• Upper: Durable Leather (LWG Certified Tannery)
• Colour: Brown/Tan (Rigger)
• Style: 9-Inch Rigger Boot
• Height: 9 Inches
• Shoe Weight: 803g
• Toe Cap: Steel
• Midsole: Stainless Steel (Penetration Resistant)
• Lining: Warm Faux Fur
• Outsole: PU Rubber — FO and SR rated
• Fit: Wide
• Waterproof: Water Repellent Upper
• Standard: EN ISO 20345:2022 + A1:2024
• Rating: S3 SC FO SR
• Style Number: PM104
• Sizes: UK 3–16
• Brand: Rock Fall

Frequently Asked Questions

What makes the Rock Fall PM104 Chicago different from standard rigger boots?
The Chicago combines a wide fit last, faux fur lining for cold conditions, and an integral scuff cap (SC) for enhanced metatarsal protection — features rarely found together in a classic rigger boot at this price point. It's also certified to the latest EN ISO 20345:2022 + A1:2024 standard.

Is the PM104 available in large sizes?
Yes — the Rock Fall PM104 Chicago is available in UK sizes 3 to 16, making it one of the widest size ranges in UK safety footwear.

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

Read our latest guide on wheat safety boots in the UK