Demar Leon Navy ULTRA Light KIDS WELLIES When used with the lining these boots have a slightly narrower fit than some wellies. This helps keep the leg in place making them more secure and comfortable for young children, as well as being extra warm. These ultra-lightweight wellies are so warm and comfy to wear children will love them! Made from EVA they have great insulation qualities and combined with the cozy lining help keep feet warm even in very low temperatures. For warmer days and when feet have grown remove the lining for a cooler and bigger fitting boot.For a more generous fit we recommend choosing a size up Made of ultra-lightweight and durable EVAToxic-free material Upper Material: EVA polymer (100% Waterproof)Lining: Removable, Machine washable & BreathableSole: EVA polymer Temperature Rating: up to *30’C