Blue pina hat shelf by ok design dimensions: d 35 x w 68 x h 13 cm. Materials: powder-coated metal. The pinna hat shelf is a stylish and functional accessory for any home. Designed by finnish designer anni pitkäjärvi, this hat shelf and coat rack features a simple yet powerful design that is highly decorative in the hallway and entrance. The shelf is made of powder-coated metal and comes with a shelf and 5 hooks to store your hats, coats, and other accessories. Pinna picks up on ok design’s tradition for shapes and silhouettes. Its sleek and minimalist design makes it suitable for any modern interior. This shelf is perfect for small spaces and can be easily mounted on the wall.