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

Input:
Product title: Liquid Player Sunglasses with Polarized Lens - Olive Drab Green
Product description: Player, hingeless Aluminum, Matte Black powder coated frame, 100% UV Polycarbonate Smoke Gray tinted Lens, 13% Light Transmission, reduces the most amount of sunlight. and allows true color perception. Best use, bright sunny days, driving, skydiving, motorcycle riding, tactical, combat, and casual wear. Comes with a microfiber cleaning sock, 1 Year manufactures warranty. Designed and Built in the USA. Liquid Aluminum Sunglasses can be adjusted to fit any face. This hingless model frame was designed to be formed by bending at the temple ends. The frame was specifically manufactured without standard hinges, allowing for the ultimate fit and quality. Thus creating a frame that will last you a lifetime, without losing fit.
Product feature: aluminium frame, plastic lens, mirrored, Lens width: 65.4, Authentic Liquid Eyewear Sunglasses, Product Dimensions: 1 x 1 x 1 inches, ASIN: B00KGB9Z3Q, Date first listed on Amazon: May 20, 2014, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Liquid Eyewear
Target attributes: Lens Color
Answer: attribute: lens color
value: gray
source: product description