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: Teva Men's Forge Pro Event Outdoor Sport Shoe
Product description: The Teva Forge Pro eVent Walking Shoes are built upon an MXT platform, designed to conquer any terrain. Featuring a Spider365 outsole with aggressive lug design and Teva E-Brake for downhill traction, the shoes help to traverse tricky ground and a leather and synthetic mesh upper offers fantastic breathability. You'll have a shoe able to take anything you throw at it. Additionally, with its eVent membrane, it will also withstand all weather conditions, keeping your feet dry and comfortable at all time. Enhanced comfort comes in the form of a Mush Infused Insole, a technology inspired by the superb comfort of Teva's Sandal range, to give you optimal comfort underfoot in each step. The outsole also features an aggressive lug pattern for improved grip and traction over all terrain, helping prevent slippage and discomfort. Under the heel you'll also find Shoc Pad cushioning which helps to greatly absorb shock impact upon heel-strike and help deliver a smooth heel to forefoot transition., Forge on without worry in this Pro Event waterproof shoe from Teva. Constructed with a molded sockliner that includes enhanced comfort foam technology, this shoe is durable enough for backcountry hikes, yet will look great on any city boy.
Product feature: 100% Synthetic and mesh, Rubber sole, Lace-up outdoor shoe featuring breathable upper with external TPU heel counter and nylon shank for stability, Sweat-wicking eVent membrane to keep water out, Shock-absorbing ShocPad technology, Compression-molded EVA midsole for comfort, Spider Rubber outsole for traction and durability, Package Dimensions: 0.5 x 0.4 x 0.4 inches, Shipping Weight: 3.4 pounds, ASIN: B0031RH08O, Item model number: FORGE PRO EVENT, Date first listed on Amazon: March 18, 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: 4.0 out of 5 stars 28 customer reviews
Target attributes: Dance Shoe Style
Answer: attribute: dance shoe style
value: None
source: None