Keep your feet fashion forward this festival season with these gorgeous Hello Kitty by Pretty Polly Summer Sky Welly socks. A gorgeous navy blue sock, featuring a cloud design & Hello Kitty. Available in sizes 4-8. 89% Cotton, 10% Polyamide, 1% Elastane. Check out the brand new Hello Kitty by Pretty Polly range now. Pre orders will be dispatched week commencing 21st April 2014.