Vintage Levis 501 Cuffed Jean Shorts - Small – Flying Apple Vintage
Why you have a leather patch on jeans: Jacrons
The Levi's back patch: from original inception to modern iteration – Denim Dudes
LEVI'S VINTAGE CLOTHING on Instagram: “The 1955 501® commemorates the year when Levi's® switched to the jacron “leather like” back patch. #LevisVintageClothing”
PETA calls for Levi's to use vegan leather on their jeans
Levis 501 W28 L32 Button Fly Blank Leather Patch Jeans Actual Inseam 30.5" EUC | eBay
John Craig - With the iconic leather patch on the back waist, Levi's 501 is the original blue jeans | Facebook
PETA Wants Levi's to Swap Out Leather Patches for Vegan Ones – Sourcing Journal