Safety Jogger Caldera S7S
SKU: SJ-CALDERAS7S
No VAT when bought for your own use at work. Buying for staff? VAT is added at checkout.
Stronger than the elements. The Safety Jogger CALDERA S7S rigger boot is built for the toughest environments, keeping your feet dry year-round with its waterproof membrane lining. Its nanocarbon toecap and metal-free anti-penetration midsole make the boot both lightweight and flexible, without compromising safety. The heat-resistant rubber outsole features sharp cleats that provide superior grip and traction on rocky and muddy grounds. Additional ladder grip keeps you safe on elevated workplaces. With ESD compliance, the CALDERA S7S is also safe for environments where sensitive electronic equipment is used., Stronger than the elements. With ESD compliance, the CALDERA S7S is also safe for environments where sensitive electronic equipment is used.
Features: Electrostatic discharge (ESD) / Heat resistant outsole (HRO) / Ladder grip (LG) / Metal free / Nano carbon toecap / Waterproof / Heat-resistant outsole / Toe protection / Orthopaedic fitting (Neskrid) / Customizable footbed / Removable footbed / Puncture-resistant midsole / Slip resistant / Breathable
Standards: ASTM F2413:2024, EN ISO 20345:2022+A1:2024
Good to know
- Safety rating: S7S (EN ISO 20345). What the codes mean
- Features: Waterproof, Metal free, Anti-static
- No minimum order. One piece or a whole team.
Extended lead time, 7 to 14 working days. Ships from Safety Jogger's warehouse in Belgium. Allow 7 to 14 working days from order confirmation.
Size guide
| UK | EU | US | Foot length (cm) |
|---|---|---|---|
| 2.5 | 35 | 3.5 | 22.5 |
| 3.5 | 36 | 4.5 | 23.0 |
| 4 | 37 | 5 | 23.5 |
| 5 | 38 | 6 | 24.5 |
| 6 | 39 | 7 | 25.0 |
| 6.5 | 40 | 7.5 | 25.5 |
| 7 | 41 | 8 | 26.5 |
| 8 | 42 | 9 | 27.0 |
| 9 | 43 | 10 | 27.5 |
| 10 | 44 | 11 | 28.5 |
| 10.5 | 45 | 11.5 | 29.0 |
| 11 | 46 | 12 | 29.5 |
| 12 | 47 | 13 | 30.5 |
| 13 | 48 | 14 | 31.0 |
Measure your foot from the back of the heel to the longest toe.
Bulk order or special requirements?
Speak to an expert. Our in-house specialists reply within 24 hours.
Your free proof, first
We send you a digital proof of your branding to approve. Nothing goes into production until you're happy with it.
Extended lead time, 7 to 14 working days
Ships from Safety Jogger's warehouse in Belgium. Allow 7 to 14 working days from order confirmation. Free UK delivery on orders over £150 (ex VAT).
Made for you, done right
Decorated in our own Salisbury workshop and checked by hand. If it's faulty or not as approved on your proof, we'll put it right.
Comparable alternatives
Similar price, other makes. Worth a look before you decide.






