PROFESSIONAL backless most Birkenstock styles come in

most Birkenstock styles come in two widths: narrow and regular

Sole: Soft calfskin

Details: Two straps with individually adjustable metal pin buckles

Sole: Rubber

PROFESSIONAL backless most Birkenstock styles come inLeather upper Padded instep collar for comfort when walking Roomy reinforced toe box for protection with plenty of "wiggle room" for your toes PU outsole with rocker bottom to propel foot forward and provide shock absorption Wide heel strike for greater stability Leather sock lining for long wearing comfort PU inner frame to reduce torque and provide stability Protective TPU heel counter allows the heel to move up and down freely while providing