U-Power Joe S3S Safety Boot: comfort, lightness and maximum professional protection
The U-Power Joe S3S safety boot has been designed to offer an optimal balance between protection, lightness and comfort in demanding work environments. Its structure incorporates next-generation materials such as PUTEK® star, highly resistant to abrasion, along with advanced technologies that ensure safety without compromising ergonomics.
This model stands out for its ultra-lightweight design and its ability to adapt to intensive use, providing excellent protection against impacts, punctures and external agents. Its technical design is aimed at professionals who require comfortable and lightweight S3 safety boots without compromising maximum performance.
Key features:
- S3S CI FO SR protection class, compliant with EN ISO 20345:2022 standard.
- Upper in PUTEK® star, highly resistant to abrasion.
- AirToe Aluminium toe cap, lightweight and resistant to impacts and compression.
- Save & Flex Air anti-perforation textile midsole, ultra-lightweight and flexible.
- Next-generation PU outsole, lightweight, oil-resistant and anti-abrasion.
- SR slip-resistant properties, greater stability on demanding surfaces.
- Cold insulation (CI), ideal for low-temperature environments.
- U-Power Original insole in polyurethane, enhances comfort throughout the working day.
- Wingtex lining with air tunnel, promotes breathability and moisture wicking.
- Antistatic footwear (ESD), suitable for technical environments.
- High resistance to hydrocarbons (FO), increased durability in industrial environments.
- Recommended for: logistics, warehousing, carpentry, electrical work and industrial applications.
Technical specifications according to EN ISO 20345:2022
| Technical specification |
EN ISO 20345:2022 requirement |
Obtained value |
| AirToe Aluminium toe cap - impact resistance |
≥ 14 mm |
18.0 mm |
| AirToe Aluminium toe cap - compression resistance |
≥ 14 mm |
18.5 mm |
| Save & Flex Air insole - puncture resistance |
≥ 1100 N |
Compliant |
| Electrical resistance footwear category |
< 109 Ω |
Compliant |
| Dynamic upper waterproofing after 60' - water absorption |
≤ 30% |
8.0 |
| Dynamic upper waterproofing after 60' - water penetration |
≤ 0.2 g |
0 |
| Dynamic upper waterproofing after 60' - water vapor permeability |
≥ 0.8 mg/(cm² h) |
10.2 |
| Dynamic upper waterproofing after 60' - permeability coefficient |
≥ 15 mg/cm² |
82.9 |
| Upper lining - water vapor permeability |
≥ 2 mg/(cm² h) |
96.3 |
| Upper lining - permeability coefficient |
≥ 20 mg/cm² |
770.5 |
| Upper lining - abrasion resistance (dry cycles) |
25,600 cycles |
Compliant |
| Upper lining - abrasion resistance (wet cycles) |
12,800 cycles |
Compliant |
| Insole - abrasion resistance |
≥ 400 cycles |
No damage |
| Outsole wear - abrasion resistance |
≤ 150 mm³ |
37 |
| Outsole wear - flexing force |
≤ 4 mm |
0.8 |
| Outsole wear - sole/midsole detachment resistance |
≥ 3 N/mm |
4.1 |
| Outsole wear - hydrocarbon resistance |
≤ 12% |
2.1 |
| Outsole wear - heel energy absorption |
≥ 20 J |
33 |
| Slip resistance on ceramic with NaLS (heel forward 7°) |
≥ 0.31 |
0.41 |
| Slip resistance on ceramic with NaLS (toe backward 7°) |
≥ 0.36 |
0.42 |
| SR - slip resistance on ceramic with glycerin (heel forward 7°) |
≥ 0.19 |
0.30 |
| SR - slip resistance on ceramic with glycerin (toe backward 7°) |
≥ 0.22 |
0.27 |
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