Sievi Fly Fresh Roller — Product Overview
The Sievi Fly Fresh Roller is a shoe from SIEVI, identified by product code 37-12191-483-91M. The product description herein is based on the manufacturer's official product information and states documented properties and materials without interpretation.Functional Features
- BOA® Fit System with 70 cm lace length for adjustable closure.
- 3D-dry® lining that wicks moisture away from the foot.
- Sievi Green Comfort insole with 67% recycled material by weight of the insole; machine washable at 40 °C.
- FlexEnergy® element integrated in the heel area for shock absorption and energy return (produced by BASF Infinergy®).
- Single Density PU (FlexStep®) outsole with high slip resistance and flexibility; stated heat resistance up to 120 °C.
Typical Applications
The official product information states that the Sievi Fly Fresh Roller is ESD-approved. According to the manufacturer, the use of ESD footwear can help prevent damage to sensitive electronic equipment.Safety and Material Descriptions
The product information further specifies safety and material properties:- Antistatic properties with a resistance range of 100 kΩ – 1000 MΩ.
- ESD resistance range stated as 100 kΩ – 35 MΩ.
- Upper material: microfiber and textile; the upper material is water-repellent in accordance with EN ISO 20345:2022.
- Further mentioned: the sole's oil and chemical resistance meets the requirements of EN ISO 20345:2022.
Specifications
- Product Name: Sievi Fly Fresh Roller.
- Product Code: 37-12191-483-91M.
- Sizes: 39–48.
- Safety Class: EN ISO 20347:2012 O2 FO SRC (stated on the manufacturer's website).
- Outsole: Single Density PU (FlexStep®); heat resistant up to 120 °C.
- Upper Material: Microfiber, Textile.
- BOA® Lace Length: 70 cm.
- Antistatic Resistance: 100 kΩ – 1000 MΩ.
- ESD Resistance: 100 kΩ – 35 MΩ.
- Sievi Green Comfort Insole: 67% recycled material by weight of the insole; machine washable at 40 °C.
- FlexEnergy® Heel Element: energy return >55% (stated by the manufacturer as a property of FlexEnergy®/Infinergy®).
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