| SB/S0 | Basic requirements, open heel |
| S1 | Basic requirements, closed heel |
| S2 | Upper resistant to water penetration but NO anti-perforation LAMINA |
| S3 | Upper resistant to water penetration - Puncture resistant sole - Grooved Sole |
| S4 | Class II rubber footwear |
| S5 | Class II rubber footwear - Puncture resistant sole - Grooved Sole |
| S6 | Shoe resistant to water penetration but NO anti-perforation LAMINA |
| S7 | Shoe resistant to water penetration - Puncture resistant sole - Grooved Sole |
| P | Puncture resistant lamina |
| E | Energy absorption from the heel |
| WR | Water resistant upper |
| WRU | Upper resistant to water penetration and absorption |
| AN | Protection of the ankle bone |
| M | Metatarsal protection |
| HRO | Sole resistant to contact with heat 300°C for 1 minute |
| HI | Heat insulation up to 150°C |
| CI | Cold insulation down to -17°C |
| FO | Hydrocarbon resistant sole |
| ESD | Protection from electric shocks |
| A | Anti-static footwear |
| C | Conductive footwear |
| CR | Cut resistance |
| SRA | Slip resistance on ceramic floor with water and detergent |
| SRB | Slip resistance on steel and glycerin floor |
| SRC | SRA + SRB combination |
| DGUV112-191 | Orthopedic insole adaptation |
| SC | Tip abrasion resistance |
| LG | Sole with heel detached from the sole for grip on ladder steps |
Exterior - Water-repellent Nubuck leather
Men - Autumn / Winter
S3 SRC CI ESD - EN ISO 20345:2011
The U-Power safety shoes, Red Lion Hummer model line are high, light and comfortable u power from the Red Lion line, with upper in natural tumbled nubuck leather, breathable, water-repellent, aluminum toe cap, anti-puncture, anti-slip and PU/PU sole, Infinergy S3 SRC CI ESD .
U-Power Hummer is an anti-fatigue shoe with 54% more energy in dynamic cushioning, thanks to the new hi-tech sole with Infinergy® inserts.
It is a high shoe with a natural comfort fit 11 Mondopoint












| Item | RL10174 |
| Protection Class | S3 SRC CI ESD |
| EU regulation | EN ISO 20345:2011 |
| Upper | Water-repellent nubuck leather |
| Tip | Airtoe® Aluminum with breathable membrane |
| Anti-perforation | Save and Flex PLUS® |
| Insole cover | U-Power Original |
| Sole | Soft PU and Infinergy® |
| Season | Autumn winter |
| Measures | 35-48 |
| Item | RL10174 |
| Protection Class | S3 SRC CI ESD |
| EU regulation | EN ISO 20345:2011 |
| Upper | Water-repellent nubuck leather |
| Tip | Airtoe® Aluminum with breathable membrane |
| Anti-perforation | Save and Flex PLUS® |
| Insole cover | U-Power Original |
| Sole | Soft PU and Infinergy® |
| Season | Autumn winter |
| Measures | 35-48 |
Based on 7 reviews
Excellent comfortable and beautiful safety shoes (Translated review)
Beautiful and very comfortable for work (Translated review)
Great work shoe ! Very fast shipping. Absolutely recommend ! (Translated review)
Great work shoe ! Very fast shipping. Absolutely recommend ! (Translated review)
Very kind and helpful (Translated review)
Excellent product! (Translated review)
Beautiful and very comfortable thank you (Translated review)