Insoles with Antistatic Thread Lahti Pro model L9030739 size 39 – replacement shoe insoles

Replacement shoe insoles Lahti Pro model L9030739 in size 39 are designed to be inserted into footwear to improve fit and provide antistatic protection. The insole features an integrated antistatic thread that helps dissipate electrostatic charge from the foot to the ground through the shoe, making it suitable for environments where static control reduces risk to sensitive equipment or improves personal comfort. The product is intended as a straightforward swap-in solution for work boots and everyday shoes that accept a size 39 insert.

Advantages

These insoles combine basic cushioning with an antistatic thread integrated into the material structure, offering both comfort and electrostatic discharge control without altering shoe geometry. The size-specific form allows a close fit in appropriately sized footwear, while the replaceable nature simplifies maintenance and hygiene. The design is neutral and compatible with a variety of shoe types commonly used in industrial, workshop, and casual settings.

Suitable for

• Work boots and safety footwear that require antistatic properties
• Tasks involving handling of electronic components or working near sensitive equipment
• Everyday shoes when additional static discharge control is desired
• Situations requiring a quick replacement of worn insoles to restore fit and basic cushioning

Key specifications

• Size: 39 (shoe insert dimensions suitable for standard size 39 footwear)
• Feature: integrated antistatic thread for electrostatic discharge control
• Function: replacement insole providing basic cushioning and static dissipation
• Compatibility: designed for use in a wide range of closed footwear such as work and casual shoes

How to use

Remove the existing insole from the shoe if present and place the Lahti Pro size 39 insole flat inside the footwear, ensuring it sits flush with the heel and forefoot areas. Trim to fit only if the manufacturer of your footwear allows cutting of insoles and you trim according to the shoe's original insole outline. Ensure the antistatic thread maintains contact path through the shoe sole and that the insole does not cause pressure points. Replace periodically when cushioning or antistatic performance declines.

Usage recommendations

Use these insoles in footwear that provides an earth path to allow antistatic dissipation. Regularly inspect for wear and replace if the surface becomes compressed or the antistatic effectiveness appears reduced. Avoid soaking in water or using harsh chemicals; clean by wiping with a damp cloth and allow to air dry. For tasks requiring certified electrostatic protection, verify that the footwear and insole together meet the workplace ESD requirements.