Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Under Armour Men's HeatGear Armour Long Sleeve Compression Shirt
Product description: HeatGearfabric, with all the benefits of UA Compression, comfortable enough to be worn all day. Stretch-mesh underarm panels deliver strategic ventilation. UPF 30+ protects your skin from the sun's harmful rays. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Mesh panel on back neck with ARMOUR wordmark.
Product feature: 84% polyester, 16% elastane, Imported, Pullover closure, Machine Wash, HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day, Stretch-mesh underarm panels deliver strategic ventilation, UPF 30+ protects your skin from the sun's harmful rays, 4-way stretch construction moves better in every direction, Material wicks sweat & dries really fast.Fit: Ultra-tight, second-skin fit for a locked-in feel, Product Dimensions: 9 x 1 x 6 inches, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B00UA38YZK, California residents: Click here for Proposition 65 warning, Item model number: 1257471, Date first listed on Amazon: August 8, 2005, Average Customer Review: 4.2 out of 5 stars 14 customer reviews
Product price: $20.79 - $99.00
Target attributes: Fastening Style
Answer: attribute: fastening style
value: None
source: None