Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Hurley Men's Icon Tank Top
Product feature: 100% Cotton, Made in the USA and Imported, Machine Wash, 30 singles, 100-percent cotton solids or 50-percent cotton/50-percent polyester heathers, Woven icon loop label and screen printed inside neck, Package Dimensions: 10.5 x 6.1 x 2.7 inches, Shipping Weight: 0.32 ounces, ASIN: B00I1LOXIK, Item model number: MTK0001450, Date first listed on Amazon: January 25, 2014, 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 20 customer reviews
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: tank top
source: product title