Easy to put on, the original Stretch&Stay™ elastic heels gently hold the shoe in place (available for Baby Sizes) Soft canvas uppers made from cotton and recycled bottles collected from the oceans Cushioned edges and high performance, soft touch microfiber lining Flexible and non-slip Flex&Grip™ recycled rubber soles Barefoot concept, ThintoFeel™ minimalist soles, with no heels, to promote sensory inputs picked up from the lumps and bumps of the ground FreetoGrow™ wide shape allows toes to spread freely promoting a natural and healthy development of the foot.