EXCLUSIVE AT NET-A-PORTER. Polo collars are something of a trend this summer - not that they're any less of a classic, too. TOM FORD's sweater is knitted from wool and cashmere-blend in a softly draping silhouette. - Raspberry wool and cashmere-blend - Slips on - 70% virgin wool, 30% cashmere - Dry clean - Designer color: Wild Raspberry