Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Air Jordan 11 Retro "Concord" - 378037 107
Product description: Perhaps the most popular basketball shoe of all time, the "Concord" Air Jordan 11 is the definition of legendary. Worn on court by Michael Jordan on the way to his fourth championship with the Bulls, the shoe is considered a masterpiece by many, and is one of the most celebrated sneakers now and forever.
Product feature: Leather, sku=378037-107, Shipping Weight: 3 pounds ( View shipping rates and policies ), ASIN: B005OYH6OK, Item model number: 378037 107, Date first listed on Amazon: September 23, 2011, Average Customer Review: 3.4 out of 5 stars 25 customer reviews
Product price: $518.00 - $1,045.35
Product brand: Jordan
Target attributes: Athletic Shoe Style
Answer: attribute: athletic shoe style
value: basketball
source: product description