Birkenstock - Birko Active Insoles - Black waterproof Waterproofing: 100% - breathable waterproof

Waterproofing: 100% - breathable waterproof membrane

well-traveled patina as soon as it comes out of the box

With a 100% boiled wool upper and lining

It's the perfect addition to your classic Birkenstock sandals

or around the gym and after workouts

Birkenstock - Birko Active Insoles - Black waterproof Waterproofing: 100% - breathable waterproofBirko Active, the breathable insole for mens and womens shoes, combines the insoles of conventional footwear with the anatomical shape of the foot. The foot is supported and guided during walking and running. The shock absorbing material core ensures outstanding comfort on foot, be it in hiking shoes or casual shoes. Anatomically shaped full length footbed with flexible, shock absorbing forefoot Additional support for sports activities Breathable mesh