Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: French Connection Men's Blur Jack Tee
Product feature: 100% Cotton, Imported, Machine Wash, Soft, Light weight, Package Dimensions: 10.6 x 5.5 x 2.2 inches, Shipping Weight: 4 ounces, ASIN: B00MED9M4G, Item model number: 56CFT, Date first listed on Amazon: September 11, 2014, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Target attributes: Fastening Style
Answer: attribute: fastening style
value: None
source: None