Shoestring Animal Print Insoles: Printed Kids Insoles Cut to Size. Comfort insoles for shoes by Shoestring are dual-layered, made from latex and rayon in a pale blue colour. These insoles are perforated therefore increasing airflow, and scented to keep your shoes fresh. If your childs shoes are slightly too big or narrow, then adding a pair of our Shoestring coolfresh insoles might be just the ticket. Insoles can help reduce your shoes by upto half a size. Making our insoles the perfect fix for shoes that are slightly too big. Shock absorbing: For those on their feet for an extended period of time, our cool fresh insoles are cushioned and offer a degree of relief. Natural elasticity means that less impact is transferred to the feet and joints.