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: Crocs Men's Tideline Leather Slip-On,Black/Black,10 M,crocs,10445" />
Product description: The Crocs Tideline leather is a mixture of classic Crocs comfort, style and sophistication. Featuring a water-resistant leather upper and a croslite material sole this men's shoe will work for any occasion. The ventilation ports in the sole of this Crocs shoe will help keep your feet cool and comfortable and a stylish upper make this the perfect summer time shoe. If you are seeking laid back style this summer, the Crocs Tideline is the shoe for you!, Crocs, Inc. is a rapidly growing designer, manufacturer and retailer of footwear for men, women and children under the Crocs brand. All Crocs brand shoes feature Crocs' proprietary closed-cell resin, Croslite, which represents a substantial innovation in footwear. The Croslite material enables Crocs to produce soft, comfortable, lightweight, superior-gripping, non-marking and odor-resistant shoes. These unique elements make Crocs ideal for casual wear, as well as for professional and recreational uses such as boating, hiking, hospitality and gardening. The versatile use of the material has enabled Crocs to successfully market its products to a broad range of consumers.
Product feature: 100% Leather and croslite, Rubber sole, Available in whole sizes and medium width only, Package Dimensions: 13.3 x 9.1 x 5.2 inches, Shipping Weight: 1.6 pounds, ASIN: B001KZI466, Item model number: 10445, Date first listed on Amazon: April 25, 2009, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 3.4 out of 5 stars 21 customer reviews
Target attributes: Type
Answer: attribute: type
value: shoes
source: product description
attribute: type
value: shoe
source: product description