July 15 (Reuters) - German fashion house Hugo Boss on Monday said it cut its sales guidance for the year to a range of between 4.20 billion euros ($4.58 billion) to 4.35 billion euros from a range of 4.30 billion euros to 4.45 billion euros. ($1 = 0.9179 euros) (Reporting by Gursimran Kaur in Bengaluru Editing by Chris Reese)