Every Step Returns Energy, Not Just Absorbed Impact

The JACOB S ESD safety ankle boot from U-Power's Red 360 line doesn't just protect your feet—it gives back with every step. Built around Infinergy® technology that returns over 55% of energy with each footfall, these boots transform long shifts from exhausting to manageable. Whether you're working warehouses, operating cranes, or covering acres in agriculture, your legs feel the difference by hour eight.

Key Features:

• Infinergy® Energy Return: More than 55% energy return with every step means less fatigue during those 10-hour days. Your feet don't just survive the shift—they actually feel supported.
  
• S3 S CI FO SR Safety Rating: Meets EN ISO 20345:2022 with cold insulation, fuel oil resistance, and superior slip resistance on ceramic tile with glycerine. Complete protection for general industry, engineering, and warehouse environments.
  
• PUTEK® Star Upper: High abrasion-resistant material that's water repellent and breathable. Handles rough conditions without falling apart, whilst keeping your feet dry and comfortable.
  
• Aluminium AirToe & Metal-Free Puncture Protection: Lightweight aluminium toecap paired with Save & Flex PLUS anti-puncture system. Full protection for toes, forefoot, and entire sole without the weight penalty of steel.
  
• ESD Electrostatic Dissipative: Compliant with IEC 61340-5-1:2016 for environments where static discharge poses risks. Essential for electronics handling and sensitive equipment areas.
  
• U-Power Original Insole: Anatomical, breathable, antibacterial soft leather insole ensures proper weight distribution and foot balance. No hotspots or pressure points after hours on your feet.
  
• WinTex Breathable Lining: Superior moisture management keeps feet dry. The Natural Comfort footbed cover adds extra cushioning where you need it most.
  
• Heel Shock Shield: Enhanced impact protection in the heel area absorbs those hard landings. Your joints will thank you after years of wear.
  

U-Power combines Italian design excellence with serious workplace protection. Available in sizes 35-48 (UK 2-13), the JACOB S ESD delivers anti-static properties, cold insulation, and cleated outsole traction for demanding industrial environments. Order your pair now.