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: Propet Wash & Wear Walker Elite Slip-On Shoes
Product description: Easy To Care For And Great-Fitting Comfortable and easy to care for, Propet Women's Wash & Wear Walker Elite Slip-On Shoes offer a great fit. Machine-washable leather and nubuck uppers offer easy care for long-lasting wear. Easily replaced with custom orthotics, the Ortholite foam insole cushions the feet with every step. With elastic neoprene collars, these walking shoes stretch for a customized fit. Lightweight EVA midsole provides arch support, and firm heel counters offer support and stability on your feet. Step confidently with durable rubber outsoles for added traction.
Product feature: Machine-washable leather and nubuck uppers offer easy care for long-lasting wear., Easily replaced with custom orthotics, the Ortholite foam insole cushions the feet with every step., With elastic neoprene collars, these walking shoes stretch for a customized fit., Lightweight EVA midsole provides arch support, and firm heel counters offer support and stability on your feet., Step confidently with durable rubber outsoles for added traction., Package Dimensions: 11.9 x 7.7 x 4.6 inches, Shipping Weight: 1.45 pounds, ASIN: B00RNWHDRQ, Item model number: W3862 WN B 075, Date first listed on Amazon: January 1, 2015, Average Customer Review: 4.1 out of 5 stars 51 customer reviews
Product brand: Propt
Target attributes: Style
Answer: attribute: style
value: None
source: None