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: Vans Old Skool (c&l) Periscope/True White
Product description: Vans are a staple in skate culture and street style, and this skate sneaker is no exception. Introduced in 1977, the Vans Old Skool sneaker is a classic in the Vans collection. Full of attitude, the Old Skool is durable and lightweight, and can give the other boys in the collection a run for its money. Constructed from canvas, the Vans Old Skool features contrasting suede panels along the toe and heel, plus the iconic stripe along the side of the shoe, and sits over a chunky midsole.
Product feature: fabric, Canvas Upper, Package Dimensions: 13.2 x 5.9 x 4.8 inches, Shipping Weight: 2.45 pounds, ASIN: B019J7COMG, Item model number: V004OJJOJ, Date first listed on Amazon: June 3, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Vans
Target attributes: Shaft Height
Answer: attribute: shaft height
value: None
source: None