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

Input:
Product title: SUGOi Women's Carbon Zip Shirt
Product description: Zip neck and crew long sleeve tee are the perfect technical layer for optimal comfort during year-round training.
Product feature: body : 100% Polyester, Imported, Contoured sleeves with thumbholes, 10" front zip with guard, Flat seams for increased comfort
Product brand: SUGOi
Target attributes: Shoulder Style
Answer: attribute: shoulder style
value: None
source: None