The product is a rare and discontinued pair of Birkenstock Birko-Flor Pisa strappy sandals in navy blue, size 38. These unisex adults sandals feature a flat heel and are made of Birko-Flor, a durable synthetic material designed by Birkenstock. The strappy style and comfortable design make it a popular choice for those looking for a stylish yet practical shoe. Perfect for both men and women, these Birkenstock sandals are a unique addition to any wardrobe.