Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: PACT Men's Signature Multistripe Socks
Product description: PACT socks are no ordinary socks. They're knit with super soft organic cotton in an eco-factory that runs on 100% wind power. And not only do they feel good, but like all things PACT, they do good too. For every PACT sock you buy, we pay it forward by making a positive impact on the world.
Product feature: 90% Organic Cotton/7% Nylon/3% Lycra, Machine Wash, Knit with super soft organic cotton, Made with 100% wind power, One size, fits men's shoe size 7-11, Package Dimensions: 11.1 x 3.6 x 0.6 inches, Shipping Weight: 6.4 ounces, ASIN: B0062ZV5MO, Item model number: ESS-MSK, Date first listed on Amazon: December 14, 2011, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 4 customer reviews
Target attributes: Pattern
Answer: attribute: pattern
value: None
source: None