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: New Balance YB4040 Baseball Cleat (Little Kid/Big Kid)
Product description: The innovative youth New Balance 4040 baseball shoe is an low profile, rubber spike cleat featuring excellent midfoot support and tactile cushioning for the player aspiring to greatness. Colors: White + Black, New Balance, is dedicated to helping athletes achieve their goals. It's been their mission for more than a century. It's why they don't spend money on celebrity endorsements. They spend it on research and development. It's why they don't design products to fit an image. They design them to fit. New Balance is driven to make the finest shoes for the same reason athletes lace them up: to achieve the very best.
Product feature: 100% Synthetic, Rubber sole, High abrasion materials in key durability zones, Comfort construction tongue for max comfort, Product Dimensions: 11 x 7.5 x 5 inches, Shipping Weight: 2.95 pounds, ASIN: B004UDQEIK, Item model number: YB4040BW - K, Date first listed on Amazon: December 15, 2011, 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: 3.9 out of 5 stars 38 customer reviews
Target attributes: Shaft Height
Answer: attribute: shaft height
value: None
source: None