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: Sperry Top-Sider Womens Firefish Leather Rainbow
Product description: The Sperry® Firefish Leather Rainbow boat shoe will keep your ensemble timeless season after season. Firefish design is an updated version of the Angelfish style with a slimmer silhouette and a rounder toe box for a sleeker, more stylish fish! Adjustable 360° lacing system with rustproof eyelets and fully functional, rawhide laces for a secure fit. Rich leather and textile upper. Leather lacing features a rainbow stripe print. Dri-Lex® lining technology wicks moisture away for a cooler, drier feel. Smooth textile lining offers a great in-shoe feel. Molded, leather-covered insole supplies daylong comfort. Molded EVA midsole provides support and underfoot comfort. Non-marking rubber outsole with Wave-Siping™ technology for the ultimate traction on both wet and dry surfaces. Imported. Measurements: Weight: 8 oz Product measurements were taken using size 8.5, width M (B). Please note that measurements may vary by size.
Product feature: Leather^Synthetic, Imported, Rubber sole, The Sperry® Firefish Leather Rainbow boat shoe will keep your ensemble timeless season after season., Shipping Weight: 8 ounces ( View shipping rates and policies ), ASIN: B06XF75G9B, Date first listed on Amazon: March 4, 2017, Average Customer Review: 5.0 out of 5 stars 3 customer reviews
Product price: $67.45 - $88.99
Target attributes: Type
Answer: attribute: type
value: shoe
source: product description
attribute: type
value: shoe
source: product feature