
With the S3 Pro Safety Trainer, you no longer have to choose between comfort, style and protection.
Instead of bulky, heavy safety boots, you get a clean, athletic look you’ll actually enjoy wearing after work. Feel protected, lightweight and comfortable on your feet.
Forget tying and re-tightening laces throughout the day.
With the dial system, the S3 Pro locks into place in seconds secure fit, optimal comfort, no slipping.
Perfect for long days or frequent area changes. Step in, twist to tighten, and get going.

Less weight, more energy, no more heavy boots slowing you down.

Trainer-level comfort with shock-absorbing cushioning for a supported feel all day.

Move freely without stiffness. Fits like a trainer, protects like a safety shoe.

Built-in quick fastening system. Twist to tighten and slip straight in.
Behind the lightweight trainer look, the steel toe cap reliably protects your toes from impact and falling objects.
The puncture-resistant Kevlar midsole shields your feet from sharp nails and debris underfoot.
With certified S3 protection, you’re fully equipped for demanding work environments without compromising on comfort.
|   | MASON | OTHER |
|---|---|---|
| All-day comfort | ||
| Easy on/off | ||
| Lightweight & Breathable | ||
| Shock-absorbing | ||
| Steel toe protection | ||
| Everyday look |
Every day, more people choose Mason because they’re done with heavy, uncomfortable safety footwear.
Our community includes warehouse workers, mechanics, tradespeople and more all with one goal in common: getting through the day without pain, without giving up safety.
Our shoes fit true to size. If you’re between two sizes, we recommend choosing the larger one.
Please refer to the size guide below the product images to match your foot length in cm.
Our shoes feature a steel toe cap and a puncture-resistant Kevlar midsole.
They meet all standard safety requirements for everyday work environments.
Absolutely. Thanks to the memory foam insole and the lightweight, flexible design, they’re ideal for long shifts, assembly work and walking on hard surfaces.
We offer free shipping on all orders.
Your order will arrive at your address within 4–7 working days.
We offer a 60-day money-back guarantee.
You can test our shoes risk-free for 60 days. If you’re not satisfied, simply return them for a full refund.