Further technical details and manufacturer information can be found in the official data sheet:

where the torsion zone can reduce the load on the drive tip

Recommended diameter range: 28–55 mm

lodespids: 175 mm

Hot air function: up to 650 °C

Dual Comfort Plus Indlægssål str. 37; Plus HIGH Unit(s):Pair Further technical details and manufacturer. Insoles that combine all the benefits of Sievi Dual Comfort insoles and the SieviBalance arch support for extra rotational stiffness and foot control. Sievi Dual Comfort insoles are available with three different arch heights to support different feet: Neutral Arch for people with low or neutral arches High Arch for people with high arches Extra High Arch for people with extra high arches