Birkenstock - Birko Active Insoles - Black gray supple leathers that feel as

supple leathers that feel as good as they look

Smooth leather upper with metallic finish

Cork/latex footbed lined with vegetable-tanned leather

Footbed: 0

Birkibuc® synthetic upper

Birkenstock - Birko Active Insoles - Black gray supple leathers that feel asBirko 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