Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Under Armour Men's Tech S/S Tee
Product description: The Under Armour Tech Short Sleeve Running T-Shirt features Lightweight UA Tech fabric, which offers superior comfort and low-weight. HeatGear fabric gives you superior stretch and flexibility, so that you can move freely and naturally. The 4-Way Stretch construction technology helps to improve your mobility and accelerates drying time, while the Superior Moisture Transport System helps to keep you dry, comfortable, and cool. Raglan sleeve construction and smooth flatlock seams allow you to move freely and naturally, and also prevents the chance of irritation and chafing. The loose fit also helps keep you cool and comfortable.
Product feature: Imported, Machine Wash, Lightweight UA Tech fabric - Has a softer, more natural feel, for incredible comfort., HeatGear Fabric - Offers stretch and flexibility., 4-Way Stretch Construction - Improves your mobility and accelerates drying time., Superior Moisture Transport System - Helps to keep you dry, comfortable and cool., Raglan Sleeve Construction - Allows for full range of motion without chafing., Package Dimensions: 6.1 x 4.3 x 1.7 inches, Shipping Weight: 3.2 ounces, ASIN: B00GOZPG7M, Item model number: 1228539, Date first listed on Amazon: June 3, 2014, Average Customer Review: 3.6 out of 5 stars 8 customer reviews
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: short sleeve
source: product description