Grey marl jersey shorts for teen boys by British brand Stella McCartney Kids, patterned with rainbow-coloured 'GO' prints for an eye-catching look. Comfortable and casual, they are made with soft organic cotton and have a drawstring waist for an adjustable fit. There are useful concealed side pockets and a patch pocket on the back. The Stella McCartney fit can be quite small so choose a size up if you want room to grow.
