Birkenstock Birko Active Insole (Unisex) - Black Size:36 Flexible lightweight blown rubber outsole

Flexible lightweight blown rubber outsole for long lasting wear

Double adjustable straps over in-step for a customized fit

These lace-up kicks boast a Curves & Pods® premium footbed (with arch support

reduction impact

Molded inlay sole cushions the foot along the entire length

Birkenstock Birko Active Insole (Unisex) - Black Size:36 Flexible lightweight blown rubber outsoleBirko Active Outdoor Fun, the breathable footbed 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