1. Introduction
This manual provides essential information for the proper use, care, and maintenance of your PUMA Safety AIRTWIST Low Work Shoes, model 644650. These shoes are designed to offer protection and comfort in various work environments, adhering to S3 ESD HRO SRC safety standards. Please read this manual thoroughly before using the product to ensure safety and optimal performance.
2. Safety Information
Your PUMA Safety AIRTWIST Low Work Shoes are certified according to European safety standards. Key safety features include:
- S3 Classification: Indicates protection against toe impact (200 joules), compression (15 kN), penetration resistance, closed heel area, antistatic properties, energy absorption in the heel region, water resistance, and a cleated outsole.
- ESD (Electrostatic Discharge) Protection: Designed to prevent electrostatic discharge, crucial in environments sensitive to static electricity.
- HRO (Heat Resistant Outsole): The outsole is resistant to hot contact up to 300°C for 60 seconds.
- SRC (Slip Resistance): Tested on ceramic tile with soap solution and steel with glycerol, providing high slip resistance.
- Fibreglass Cap: Lightweight toe protection against impact and compression.
- Flexible FAP Lite Midsole: Provides penetration protection against sharp objects.
- Metal-Free Construction: Suitable for environments with metal detectors.
Warning: Always inspect your safety shoes before use for any signs of damage or wear that could compromise their protective properties. Replace damaged shoes immediately.
3. Key Features
The PUMA Safety AIRTWIST Low Work Shoes incorporate advanced technologies for protection and comfort:
- Fiberglass Toe Cap: Offers robust protection without the weight of steel.
- FAP Lite Midsole: Flexible Anti-Penetration protection, significantly lighter than traditional steel midsoles.
- EFFECT.FOAM®: Provides excellent cushioning and energy return, reducing fatigue.
- Urban Effect Triple Density Outsole: Non-slip and heat-resistant rubber outsole with a rotation point to minimize fatigue, combined with a double-layer EVA midsole.
- ESD File: Ensures electrostatic discharge protection.
- Reflecting Elements: Enhances visibility in low-light conditions.
- TPU Heel Protection: Adds durability and stability to the heel area.
- Suede Leather Upper: Durable and comfortable material.

Image: Icons illustrating key features such as composite toe, slip resistance, HRO sole, metal-free, and breathable design.

Image: Diagram highlighting the fiberglass cap, EVA midsole, rubber outsole, and rotation point within the shoe's construction.

Image: Diagram illustrating the energy return benefits of EFFECT.FOAM®, showing up to 60% active energy return and 47% reduced impact on bones and joints compared to standard safety shoes.
4. Setup and First Use
To ensure maximum comfort and protection, proper fitting and initial setup are crucial:
- Sizing: Ensure you have selected the correct size. Refer to the PUMA Safety size guide if available. Ill-fitting shoes can compromise safety and comfort.
- Lacing: Lace your shoes securely but not too tightly. Ensure the laces are tied to prevent tripping hazards.
- Initial Wear: Wear the shoes for short periods initially to allow them to conform to your feet.

Image: Top-down view of the PUMA Safety AIRTWIST shoe, showing the lacing system and overall shape.
5. Operating Guidelines
These shoes are designed for use in professional work environments requiring S3 ESD HRO SRC safety footwear. Always ensure your work environment is suitable for the shoe's specifications. The non-slip and heat-resistant outsole provides reliable traction and protection on various surfaces.
6. Care and Maintenance
Proper care extends the lifespan and maintains the protective qualities of your safety shoes:
- Cleaning: Clean the suede leather upper with a soft brush to remove dirt. For stubborn stains, use a specialized suede cleaner. Do not immerse the shoes in water.
- Drying: If shoes become wet, allow them to air dry naturally at room temperature. Avoid direct heat sources like radiators or direct sunlight, as this can damage the materials.
- Storage: Store shoes in a cool, dry place away from direct sunlight and extreme temperatures.
- Inspection: Regularly inspect the sole, upper, and protective toe cap for signs of wear, damage, or degradation. Replace shoes if their protective integrity is compromised.
7. Troubleshooting
- Discomfort: If you experience discomfort, ensure the shoes are properly laced and that you are wearing appropriate socks. Break-in period may be required. If discomfort persists, re-evaluate sizing.
- Reduced Slip Resistance: Ensure the outsole is clean and free from embedded debris. Excessive wear on the sole can reduce slip resistance, indicating it's time for replacement.
- Damage to Protective Components: Any visible damage to the toe cap, midsole, or outsole means the shoe's protective function may be compromised. Replace the shoes immediately.
8. Technical Specifications
| Feature | Detail |
|---|---|
| Model Number | 644650 |
| Safety Standard | S3 ESD HRO SRC |
| Toe Protection | Fibreglass Cap |
| Penetration Protection | Flexible FAP Lite Midsole |
| Outsole Material | Urban Effect Triple Density (non-slip, heat-resistant rubber at 300°C, rotation point, double-layer EVA midsole, EFFECT.FOAM®) |
| Upper Material | Suede Leather |
| Metal-Free | Yes |
| Department | Unisex-Adult |
| Manufacturer | Puma Safety |
9. Warranty and Support
PUMA Safety products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty documentation provided with your purchase or contact PUMA Safety customer service. For support or inquiries, please visit the official PUMA Safety website or contact your retailer.






