Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Birkenstock Unisex Arizona Soft Footbed Leather Casual Sandals, Caribou Leather, 42 N
Product description: The moldable cork footbed delivers a better and better fit in this classic sandal., This is the real deal. Cork, leather, a buckle or two: these are the simple ideas that have made feet happy for over two hundred years, and that's the original Birkenstock. These shoes are made in Germany since 1774. No smoke, no mirrors, and no gizmos are needed. You walk, the shoe molds to your foot. The shape of the Original Birkenstock Footbed enables body weight to be distributed evenly over the whole foot, providing it with optimal support.
Product feature: nubuck, Nubuck - Quality leather is buffed for a soft and velvety finish., The original Birkenstock footbed - Featuring pronounced arch support, deep heel cup, and roomy toe box. Footbed molds and shapes to your foot., EVA Sole - Flexible, lightweight, durable and shock absorbing., Package Dimensions: 12.3 x 5.9 x 4.6 inches, Shipping Weight: 2 pounds, ASIN: B00BIPTPHU, Item model number: Arizona Leather Cream Sole, Date first listed on Amazon: July 8, 2013, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Birkenstock
Target attributes: Style
Answer: attribute: style
value: casual
source: product title