The BE-8230 is specified in the manufacturer's product text and is technically described below

Overensstemmelse: DIN EN ISO 6789

which in the open position is placed outside the flow path to maintain maximum airflow

with a breathable and anatomical fit

Dual Comfort Plus XL Indlægssål str. 41; Extra High Arch MIL4020211111 The BE-8230 is specified in. The Dual Comfort Plus insole consists of a comfortable surface material, a breathable and quick drying middle layer and a shock absorbing EVA base layer. The PORON shock absorbing pads of the heel and foot pad cushion against external impacts. In addition, the sole has a SieviBalance arch support that improves arch support in the sole. Antistatic and ESD approved. Can be washed by hand.