Product information and verified technical details can be found on the manufacturer's product page

Logistics information on the manufacturer's website specifies a minimum packing unit of 25 pieces and a standard packing of 100 pieces

The information in this description is based solely on the manufacturer's own data

Torsion Zone: Yes (TZ design for reduced premature wear)

Roller S3 m/snørebåndsmekanism str. 40; ESD MIL4906121354 Product information and verified technical. Sievi Roller has a patented easy to use and durable Boa tightening mechanism. The Boa mechanism provides more comfort for the user: Turn the dial and your shoes fit perfectly. It's also quick and easy to take the shoes on and off: The laces are loosened simply by lifting the turntable.