Can I "Unshrink" something?

[ANiceCupofTeaandASitDown]

I washed DH trousers and tumble dried them (label said I could) and they have shrunk. DH is gutted. Is there anything I can try?

Thank you oh wise mumsnetters

No, take them back under complaint and notify customer services that they have shrunk.

I have tried to stretch out shrunk clothes in the past but it didnt work.

nope sorry it's buggered.
Take it back to the shop you bought it from . I have done this before if I've followed the care label and it still shrunk