POPSUGAR x Old Navy Karate Built-In Flex Max Slim Taper Jeans For Boys The PS x ON Karate Built-In Flex Max Slim Taper Jeans For Boys ($35) have a single rip on the knee and major '80s vibes. A neon shirt would be great with these to amp things up. Image Source: oldnavy.gap.com PS x ON Karate Built-In Flex Max Slim Taper Jeans For Boys $35 from oldnavy.gap.com Buy Now