Selecting the Right Sole for Safety Shoe - KARAM

Author: Joy

Jul. 28, 2025

Selecting the Right Sole for Safety Shoe - KARAM

Many workplace hazards can prove to be harmful to workers. An array of workplace hazards, especially in the industrial or construction sector, make the Safety shoe a necessity. Be it a danger of heavy tools falling on the feet, an open electric wire or wet floor, Safety shoes with the appropriate Sole prevent any injury a worker is prone to. 

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Choosing the best sole for your activity can be challenging. But better performance and experience of a perfectly made safety boot is well worth your effort to select a comfortable safety shoe that meets your safety needs. Read on to know how to choose the perfect sole for safety shoes.

Sole selection guide 

Are you interested in learning more about PU Sole Safety Shoes? Contact us today to secure an expert consultation!

Application Material AdvantagesShortcomingsPictureGeneral Industries PU (Polyurethane) 
  • Light-weight, flexible, shock-absorbing and slip-resistant
  • Resistant to oil, low concentration of acids/ alkalis and most solvents
  • Low abrasion property for extra life
  • Can withstand heat upto 120*C for 1 minute
  • Moderate heat resistance  
  • Hydrolysis if not worn for long times 
Chemical conditionsRubber 
  • High temperature resistance upto 300* C for 1 minute
  • Highest resistance to hydrocarbons, acids/ alkalis and solvents
  • Low abrasion
  • Heavier compared to PU
  • Less flexible at cold temperatures
High TemperatureVulcanised Nitrile Rubber
  • High temperature resistance upto 300* C for 1 minute
  • Resistance to oils and acids
  • Greater puncture resistance than natural rubber 
  • Expensive compared to PU
  • Not quite as flexible and strong as TPU
General PurposePU + Rubber
  • Very sturdy soles without excessive weight
  • Combination of light and shock-absorbing PU midsole + super robust Rubber outsole
  • Slightly expensive compared to PU
General Purpose & Cold working conditionsPU/TPU
  • Lightweight
  • Resistance up to 130°C
  • Premium slip resistance
  • Cold resistant down to -20°C
  • Slightly expensive compared to PU
  • Moderate heat resistance

In choosing and buying safety shoes, always have it in mind that level of protection, comfort, stability, and durability should be your main priority.

If you are planning to buy safety shoes for your workplace, browse through www.karamonline.com.

Want more information on Custom Safety Shoes? Feel free to contact us.

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