WISLY Birkenstock Women's Islay A natural rolling motion for a relaxed gait â€“ with the Islay classic lace-up low shoe from BIRKENSTOCK. This sporty and versatile model is made of high-quality; lightly oiled and exceptionally hard-wearing pull-up leather. Subtle contrasting seams accentuate the profile of the rounded; slightly asymmetrical last; which corresponds to the natural form of the foot. Â