Karina - Black Size:38 4 ¼ in W x

4 ¼ in W x 3 1/4in H when open

Insole: Removable Insert

Comfortable and functional

This BIRKENSTOCK sock is made from certified organic cotton

Rubber rand

Karina - Black Size:38 4 ¼ in W xAetrex Karina Monk Strap in Black. The Aetrex Orthotic System is Built In to every pair: Arch support helps to stabilize and align feet Arch support helps to relieve common foot pain & plantar fasciitis The memory foam foot bed provides cushioning & comfort Details: Adjustability: Hook and loop monk strap closure Padded heel for extra comfort Upper Material: Genuine Leather Midsole Material: Lightweight EVA foam for comfort & durability Outsole