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: Skechers USA Men's Supreme Open Toe Slide Gladiator Sandal
Product description: Shoe off your carfree attitude with the Skechers Supreme-Glades!, Skechers is an award-winning global leader in the lifestyle footwear industry that designs, develops, and markets lifestyle footwear that appeals to trend-savvy men, women and children. The company's success stems from it's high quality, diversified, and affordable product line that meets consumers' various lifestyle needs. Since it's inception in 1992, the Skechers diverse product offering has grown from utility style boots to include seven Skechers brands and five uniquely branded fashion lines for men and women.
Product feature: 100% Canvas, Synthetic sole, Heel measures approximately 1.25", Relax fit 360, Memory foam, Package Dimensions: 14.1 x 5.2 x 5 inches, Shipping Weight: 1.3 pounds, ASIN: B00E56RRVU, Item model number: 64135, Date first listed on Amazon: January 31, 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: 3.7 out of 5 stars 141 customer reviews
Target attributes: Type
Answer: attribute: type
value: sandal
source: product title