Cut the soles off of your SAS shoes with an exacto knife, birkenstock orlando removing about 1/4 inch of the sole and perhaps a bit more angling up at the heel. You want to get enough of the sole off, without cutting any portion of the shoe. There should be a small, thin layer of the old sole remaining.
Use a sander or sandpaper to sand down the remaining layer of your SAS shoe soles to create a smooth surface. Don't sand the soles too much---you still need a thin layer of cushion left. Follow the angle of the shoes as you sand. You want the soles to retain the lines and form of the shoes.
Trace an outline onto your new soles with a piece of chalk, using one of the old SAS shoe soles you removed as a guide. birkenstock sandals If the new soles are not identical SAS shoe soles and sizes, cut the new soles with the exacto blade, following the line you traced for an exact fit.
Bond the new soles to the remaining sanded sole cushions on the shoes, using a heavy-duty or industrial-strength shoe adhesive. Make sure you wipe away any adhesive residue that pushes out from the side of your shoes. Give the adhesive proper drying and bonding time.
birkenstock papillio Sand away any additional, undesired portions of the new soles that may stick out too far from the form and shape of your shoes.