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

Input:
Product title: Sperry Men's A/O 2-Eye Perfed Boat Shoe
Product description: A/o 2-eye perfed
Product feature: 100% Leather, Imported, Synthetic sole, Shaft measures approximately low-top from arch, Genuine hand-sewn leather upper with true moccasin construction to ensure lasting wear, 360 degree lacing system with rustproof eyelets for a secure, comfortable fit, Molded EVA heel cup and Ortholite underfoot cushioning enhances shock absorption for added comfort, Razor-cut Wave-Siping delivers ultimate wet/dry traction with non-marking rubber outsoles, Genuine rawhide laces, Shipping Weight: 14.1 ounces ( View shipping rates and policies ), ASIN: B07CWBQQRV, Date first listed on Amazon: February 13, 2017, Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.1 out of 5 stars 19 customer reviews
Product price: $50.00 - $100.00
Product brand: SPERRY
Target attributes: Silhouette
Answer: attribute: silhouette
value: boat shoe
source: product title