R13 Skate slim leg jeans

These blue R13 Skate slim leg jeans are made from stretch denim and have a classic five pocket design. Accented with contrast stitching, this style has a mid-rise waist, belt loops, fly fastening and a rear leather logo patch. These jeans have us contemplating what R13 stands for. Is it a rating of 13 out of 10? Because that's what we'd give this pair.