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: Nunn Bush Men's Glenwood Slip-On Loafer
Product description: Easy slip-on style penny loafer. Breathable microfiber lining. Features a combination of foams designed for maximum comfort: top layer memory foam that forms to your foot and an open cell foam bottom layer designed to absorb pressure. Flexible rubber outsole. Imported., Fashion is where you find it. Nunn Bush found it surrounded in comfort, dedicated to style, and walking in the legacy of quality craftsmanship. Since 1912, Nunn Bush has been making shoes of unparalleled distinction. Today, all Nunn Bush shoes are constructed with the same quality materials, specially selected leathers, and handcrafting expertise that goes back generations. It's something you'll experience in the uncompromising fit, flexibility, and strength in all their footwear.
Product feature: 100% Leather, Imported, Rubber sole, Heel measures approximately 1", Classic Venetian dress loafer with rolled moccasin toe and small goring wedges at tongue, Dual comfort memory foam insole, Package Dimensions: 12 x 8 x 4 inches, Shipping Weight: 2 pounds ( View shipping rates and policies ), ASIN: B00JGLOONI, Item model number: Glenwood Slip, Date first listed on Amazon: July 21, 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: 2.9 out of 5 stars 51 customer reviews
Product price: $39.99 - $128.16
Product brand: Nunn Bush
Target attributes: Type
Answer: attribute: type
value: loafer
source: product feature
attribute: type
value: shoes
source: product description
attribute: type
value: loafer
source: product description
attribute: type
value: loafer
source: product title