U-POWER HARD S3S CI FO SR ESD are lightweight high-cut safety shoes from the Red Lion range, designed to combine a high level of protection with long-lasting comfort. They feature a highly abrasion-resistant PUTEK® PLUS upper, lightweight AirToe Aluminium safety toe cap, flexible Save & Flex® PLUS anti-perforation system and an outsole incorporating Infinergy® technology.
The high-cut design provides additional coverage around the ankle, while traditional lacing allows a secure and precise fit. A padded nylon tongue improves comfort during prolonged use. The footwear complies with EN ISO 20345:2022, protection class S3S CI FO SR, and features ESD properties.
Key advantages
- S3S CI FO SR
- ESD
- high-cut construction
- lightweight AirToe Aluminium toe cap
- flexible Save & Flex® PLUS anti-perforation protection
- highly abrasion-resistant PUTEK® PLUS upper
- water-resistant upper
- Infinergy® cushioning technology
- soft PU foam midsole
- traditional lace fastening
- padded nylon tongue
- SR slip resistance
- FO fuel-oil resistance
- CI cold insulation
- sizes 38–48
PUTEK® PLUS – high abrasion resistance
The technical PUTEK® PLUS upper is designed for demanding working environments where footwear is repeatedly exposed to abrasion and contact with equipment or rough surfaces.
Its water-resistant properties also make HARD suitable for work in damp environments.
AirToe Aluminium – lightweight toe protection
The AirToe Aluminium toe cap delivers reliable protection while helping reduce footwear weight compared with conventional steel solutions.
Save & Flex® PLUS – flexible anti-perforation protection
The Save & Flex® PLUS textile insert protects the sole of the foot against penetration while maintaining flexibility and freedom of movement.
Infinergy® – cushioning with every step
Infinergy® technology helps absorb energy generated during walking. Combined with the soft PU foam midsole, it improves comfort during prolonged standing and walking.
Stable SR outsole
The multifunctional heel and compact PU tread provide grip, safety and stability. The SR rating confirms enhanced slip resistance under EN ISO 20345:2022.
Applications
Recommended for:
- warehouses and logistics,
- transport,
- assembly,
- industrial work,
- technical services,
- damp working environments,
- service sectors,
- jobs involving frequent walking.
Technical data
Manufacturer: U-Power
Model: HARD
Line: Red Lion
Article: 0RL10356
Type: high-cut safety shoes
Protection: S3S CI FO SR
ESD: yes
Upper: PUTEK® PLUS
Toe cap: AirToe Aluminium
Anti-perforation: Save & Flex® PLUS
Fastening: laces
Sole: PU with Infinergy®
Standard: EN ISO 20345:2022
Sizes: 38–48.
U-POWER HARD – high protection with Infinergy® comfort
Durable PUTEK® PLUS, lightweight AirToe Aluminium, flexible Save & Flex® PLUS and cushioning Infinergy® make HARD a modern safety boot for intensive everyday use.
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