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: Vionic New Mens Endurance Running Shoes Size 11 Wide (E, W)
Product description: Get where you need to go with ease and comfort in the Vionic® Endurance Walker. Received APMA Seal of Acceptance. Click here to view Seal. Premium, full-grain, water-resistant leather uppers with colorful piping trim. Action lacing system for a flexible fit. Fabric lining keeps your feet cool and dry. Footbed features an antimicrobial top cloth to control foot odor. Removable, orthotic adds comfort and support. Lightweight, flexible EVA midsole absorbs shock. Imported. Measurements: Weight: 13 oz Product measurements were taken using size 12, width M (D). Please note that measurements may vary by size.
Product feature: Full-grain leather, Synthetic sole, Get where you need to go with ease and comfort in the Vionic® Endurance Walker., Received APMA Seal of Acceptance. Click here to view Seal., Premium, full-grain, water-resistant leather uppers with colorful piping trim., Action lacing system for a flexible fit., Fabric lining keeps your feet cool and dry. Footbed features an antimicrobial top cloth to control foot odor. Removable, orthotic adds comfort and support. Lightweight, flexible EVA midsole absorbs shock. Imported. Measurements: Weight: 13 oz Product measurements were taken using size 12, width M (D). Please note that measurements may vary by size., Package Dimensions: 13.9 x 9.4 x 5.3 inches, Shipping Weight: 1.95 pounds, ASIN: B00HS8W01O, Item model number: 43ENDURANCE-100, Date first listed on Amazon: January 10, 2014, Average Customer Review: 4.0 out of 5 stars 2 customer reviews
Product brand: Vionic
Target attributes: Athletic Shoe Style
Answer: attribute: athletic shoe style
value: running shoes
source: product title