Friction managing insole lining prevents blisters during break in
The feminine Granada characterized with its two perforated adjustable straps is sometimes referred to as the "butterfly" style. The slight dip in the arch strap gives room for a higher instep.
Oiled leather can be recognized by its untreated surface. Birkenstock purposely does not treat surface grains and other characteristic features. Birkenstock uses sturdy leather with a thickness of 2.8 to 3.2 millimeters as upper material.
Slip resistant patterns maintain surface contact on oily substrates
