Birkenstock Cork Sealer compression Upper/lining/sole: one piece molded EVA

Upper/lining/sole: one piece molded EVA

CURVE provides a constant curve from toe to heel for nonstop propulsion

The side zipper provides an alternative method from the laces to take off or put on the boot easily while the boot itself is protected with the RTex membrane for wet weather

High-traction

Birkenstock Cork Sealer compression Upper/lining/sole: one piece molded EVABirkenstock Cork Sealer keeps cork from drying out and getting brittle, while locking out moisture and protecting it from undue wear caused by the elements. It dries clear in 15 minutes and cleans up with water. Apply a very thin film to CORK SURFACES ONLY Really when needed or every two to four months.