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: Thorogood Men's American Heritage Lace-To-Toe Roofer Boots
Product description: Upper: Tobacco Gladiator Oil-Tanned Leather. Construction: Goodyear Storm Welt. Lining: Cotton Drill Vamp. Insole: Removable Dual Density Ultimate Shock Absorption Footbed on Poron 4000 Comfort Cushion. Midsole: Rubber. Shank: Engineered Composite. Outsole: Vibram Christy Blown Rubber Wedge. Made in the USA., Nothing says American Heritage like a hard days work and Thorogood has your back until the job is done with this handsome boot. A thick rubber sole gives you great cushion and grip while full length laces let you dial in the fit. Handsomely tooled leather give you durability and attractive style.
Product feature: 100% Leather, Made in USA, Synthetic sole, Shaft measures approximately 5.25" from arch, Removable insole, Package Dimensions: 12 x 8 x 4 inches, Shipping Weight: 5 pounds ( View shipping rates and policies ), ASIN: B0053F6NOE, Item model number: American Heritage Lace-M, Date first listed on Amazon: October 21, 2010, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.5 out of 5 stars 177 customer reviews
Product price: $148.38
Target attributes: Type
Answer: attribute: type
value: boot
source: product description
attribute: type
value: boots
source: product title