ShoeString Cork InsolesOur cork insoles are one of our most eco-friendly designs. They're dual-layered, made from cork and latex. The cork material is naturally breathable increasing airflow.For those on their feet for an extended period of time, Cork insoles are cushioned and offer a natural form of relief. Natural elasticity means that less impact is transferred to the feet and joints.In addition to the above our cork insoles have a latex sole with a natural cork and latex sock giving your footwear added support. The cork also absorbs moisture helping keep you comfortable whilst on the go.How to fit ShoeString insoles:Our insoles come with printed cut lines, sizes ranging from ladies UK size 3 (EU 36) to men's UK size 11 (EU 45), meaning that one pair can easily be trimmed to fit most adult sizes.