Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: ECCO Women's Supreme Boot
Product description: ECCO is a European shoe company founded in Denmark in 1963. Today they own and operate factories throughout Europe and Asia. They produce all the leather used in making Ecco shoes, taking measures to protect the environment at the same time. Their sole aim is to make a comfortable walking shoe.
Product feature: 100% Leather, Latex sole, Shaft measures approximately 13 1/2" from arch, Heel measures approximately 1 1/2", Boot opening measures approximately 15" around, Extra cushioning for all day support, Package Dimensions: 18.9 x 12.3 x 4.6 inches, Shipping Weight: 2.35 pounds, ASIN: B000S5WVFE, Date first listed on Amazon: September 27, 2007, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 1 customer review
Target attributes: Athletic Shoe Style
Answer: attribute: athletic shoe style
value: walking
source: product description