Ds is 15 but very tall. The biggest sizes the kids section seems to go up to (that I’ve been able to find) is 17-18 and that’s in George at Asda. These fit around the waist but are far too short. He probably needs a 32 waist / 32 leg mens size to be honest. But I’m just wondering if I can get larger sizes anywhere in a multi pack as individual men’s trousers are much more expensive. Any tips appreciated.