Norillo.com
Norillo™ - ArmorFlex S3 Air - Ultra-Light Safety Shoes with Steel Toe Cap & Twist-Lock
- Free UK delivery on orders over £30
- 365-day returns, all your money back
- Dispatched fast within 1-2 working days
- Secure checkout and friendly customer service
Size guide
These shoes are sold in EU (Continental) sizes. UK sizes are a standard conversion and are unisex. For the best fit, measure your longest foot and match it to the foot-length column.
| EU | UK | Foot length (cm) | Foot length (in) |
|---|---|---|---|
| 36 | 3.5 | 23.0 | 9.1 |
| 37 | 4 | 23.5 | 9.3 |
| 38 | 5 | 24.0 | 9.4 |
| 39 | 6 | 24.5 | 9.6 |
| 40 | 6.5 | 25.0 | 9.8 |
| 41 | 7.5 | 25.5 | 10.0 |
| 42 | 8 | 26.0 | 10.2 |
| 43 | 9 | 26.7 | 10.5 |
| 44 | 9.5 | 27.3 | 10.7 |
| 45 | 10.5 | 28.0 | 11.0 |
| 46 | 11 | 28.5 | 11.2 |
| 47 | 12 | 29.2 | 11.5 |
| 48 | 13 | 30.0 | 11.8 |
If you are between sizes, choose the larger. UK conversion is approximate and can vary by style.
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We want you to feel 100% confident in your purchase. That’s why you get a whole year to try your item at your own pace - not 14 days, not 30, but a full 365. If it doesn’t feel completely right, you can change your mind with no stress and no time pressure.
We stand behind our products 100%, which is why we offer a lifetime guarantee across our entire range. Something broken? Send an email to info@norillo.com and our customer service will reply faster than you can make a cup of tea.
The safety shoe that feels like a trainer
Working in heavy safety boots for 10-12 hours does more than just hurt - it wears out your whole body. Aching feet, pressure on your toes, sweaty soles and stiff movement become everyday reality for many in construction, logistics and industry. And still, many keep wearing the same uncomfortable models as always - because "it's just what's on offer".
But there is a better option. ArmorFlex S3 Air gives you full S3-rated protection - without compromising on comfort or style.
Maximum protection, minimal resistance
Steel toe cap + Kevlar midsole protect against impact, drops and punctures - every step is secured
S3-certified slip-resistant outsole grips on any surface, even in wet conditions
Twist-lock lacing gives a perfect fit in 2 seconds - even with gloves on
As comfortable as it looks
Behind the sporty design sits technology built for 12+ hour workdays. The ultra-light construction - up to 45% lighter than classic safety boots - reduces the strain on your knees, hips and back. At the same time, the ergonomic insole keeps your foot supported all day, with no chafing, sweat or fatigue.
ArmorFlex S3 Air isn't just a work shoe - it's your new working comfort.
Ready for site, warehouse, transport and city life
S3 Air works just as well on site as it does off the job. The design is deliberately modern - inspired by sports shoes - so you can go from the workplace to everyday life without changing your shoes. And thanks to the Kevlar, steel and mesh materials, the shoe holds up to daily intensive use without losing its shape or function.
It's not unusual for our customers to say they "forget they're even wearing a safety shoe".
Rated 4.8, with a 365-day guarantee
Many professionals have already switched to ArmorFlex - and 94% report less fatigue and more energy after just a few days. With a 365-day guarantee and a 30-day satisfaction guarantee, you take no risk at all.
Protect your feet without sacrificing comfort. Order your ArmorFlex S3 Air today.
