Received email from Van Heusen this morning.
T&C detail below.
*Excludes final clearance items already reduced to a lower price. A minimum of four valid items must be included within the same transaction and coupon code ‘4FOR100’ must be entered in the promo code field at the checkout to redeem offer. Offer available online, in full price and retail stores. Not available in department stores. Cannot be used in conjunction with any other offer or coupon code including the welcome series coupon. Offer available until 11:59pm AEST June 28th, 2020.
Don't forget CashBack.