SIR Wonder S3S Work Shoes
SIR Wonder S3S work shoes product features:
- Upper made of technical fabric with TPU reinforcements – ensures lightness, breathability and increased resistance to abrasion and mechanical damage.
- DRY PLUS lining – made of densely woven polyester, effectively wicks away moisture and protects the foot from overheating during work.
- Fiberglass toe cap – a lightweight, non-magnetic protective element that protects toes against impact and crushing and provides thermal insulation.
- PS composite anti-puncture insert – protects the foot against punctures from below, is flexible, antistatic and non-magnetic.
- Fly Foam insert – an ergonomic polyurethane foam insert with variable thickness that improves cushioning and comfort of use.
- Breathable 3D TEX lining – supports foot ventilation and reduces sweating during prolonged use of the footwear.
- Lacing with a tongue with an anti-dirt gusset – prevents dirt from entering the shoe and improves the fit.
- ETPU/TPU sole – provides cushioning, lightness, flexibility and resistance to abrasion, oils and hydrocarbons.
- Safety class S3S FO SR – footwear meets the EN ISO 20345 standard, has anti-slip properties, oil resistance and protection against puncture and moisture.
FAQ – SIR Wonder S3S Work Shoes
Do the SIR Wonder S3S shoes have a protective toe cap?
Yes, the model has a lightweight fiberglass toe cap that protects the toes from impact and crushing.
Are the Wonder S3S Work Shoes non-slip?
Yes, the sole meets the SR standard, which means slip resistance on various surfaces.
Are SIR Wonder S3S suitable for outdoor use?
Yes, class S3S means resistance to moisture, sole penetration and good anti-slip properties.
Are SIR Wonder work shoes lightweight?
Yes, the materials used and the ETPU sole ensure low weight and high comfort of use.
Questions
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Question about the product
Details
SR - slip resistance on glycerine-coated ceramic tile floors
Comments
Manufacturer: Sir Safety

EU responsible person:
Sir Safety System S.p.A.
Via dei Fornaciai 9
Assisi 06081
sir@sirsafety.com
Download - General instructions for use with safety warnings.
Safety warnings:
- The product does not provide full protection in extreme conditions – before use, check that the footwear is suitable for the given work environment.
- Do not use in environments requiring protection against chemicals, high voltage, very high or low temperatures unless the product has the appropriate certifications.
- Not all work footwear is waterproof. Check the product specifications before using it in wet or chemically exposed conditions.
- A non-slip sole does not completely eliminate the risk of slipping. Exercise caution on wet, oily, or uneven surfaces.
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