Read More: goo.gl The 4.3 Navi Shield from Lowepro is the protective and inventive way to safeguard your GPS device, power supply and SD or map extension cards. Its compact, slim shape is designed to fit in a glove compartment or sit in a stable position on a center console. The 4.3 Navi Shield features a durable, molded hardshell on the exterior and soft, tricot lining on the interior. A protective, padded p... Customer Discussions and Customer Reviews.