Birkenstock - Sydney Luxe Buckle - Graceful Taupe Size:40 Narrow they have a leather upper

they have a leather upper and insole and they have 2 Velcro adjustable straps so they can easily be adjust to different foot shapes

Slip on comfort

Heel height is 2

heel and metatarsal support

it has a faux wool lining and have a rubber outsole

Birkenstock - Sydney Luxe Buckle - Graceful Taupe Size:40 Narrow they have a leather upperThe BIRKENSTOCK Sydney proves that fashion and functionality can go hand in hand. With its two simple straps, its a real hit with women who want both high fashion and comfort. This sandal version has a silky sheen finish. The shiny, gently rounded padded buckles are especially eye catching. The upper is made from the skin friendly, hard wearing synthetic material Birko Flor. Anatomically shaped cork latex footbed Upper: Birko Flor Footbed lining: