English to Spanish Other Retail Shoe catalogue

Sigo con mi catálogo de zapatos de golf. Contexto:

In-Shoe Technology
• Super Soft PU Quarter Linings
Additional touch and feel comfort
• ***Slip-Last Construction***
Contoured underfoot platform for unparalleled comfort and flexibility

Se refiere a esto:
Slip Last - Shoe construction method which stitches the upper of the shoe that is slipped onto a last, closing the upper with stitches down the center, under the foot, before gluing it to the midsole.
http://www.runtheplanet.com/shoes/selection/shoeinfo.asp

Slip Last Construction. A shoe construction technique often found in running shoes. This unique construction allows a shoe to be made without an insole board, producing a more contoured underfoot platform and vastly increased flexibility.
www.footjoy.com/catalog/glossary_popup.asp?glossaryid=38

No encuentro nada en español. No sé si existirá o si dejarlo en inglés.
Gracias de nuevo.