It’s the trademarked High Performance wool that makes this polo shirt such a standout part of Ermenegildo Zegna’s vault. The innovative fabric is softer, more breathable and resistant to pilling, ensuring absolute comfort from dawn ‘til dusk. But it doesn’t stop there: the hygroscopic fibres provide smart moisture management, absorbing perspiration and gradually releasing it externally.How to wear Harrods: Style with trousers.