Birkenstock Birko Sport EVA Insole Accessories Dual-Zone ZeroSag Midsole Inserts: Retain

Dual-Zone ZeroSag Midsole Inserts: Retain their integrity during extended runs

or working out

this bootie ensures that you can stay on your feet all day while maintaining a chic appearance

allowing for custom orthotic insertion

Birkenstock Birko Sport EVA Insole Accessories Dual-Zone ZeroSag Midsole Inserts: RetainDesigned for those with active lifestyles, the Birkenstock Birko Sport EVA Insole delivers advanced support, stability, and shock absorption in a lightweight, anatomical design. Engineered with a two layer construction, this insole combines a flexible EVA upper shell for cushioning with a rigid cork core for structured support creating the perfect synergy for dynamic movement and all day comfort. Ideal for athletic wear, walking, or long periods of