促销的服装的英语是 "promotional clothing"。
促销是指为了提高销售量或者吸引顾客而进行的特殊销售活动。促销的服装就是在促销活动期间出售的特价服装。
下面是一些英文例句，以及中文翻译：
"The store is offering 50% off all promotional clothing this week." (这家商店本周正在提供促销服装五折优惠。)
"I got this shirt on sale because it was part of the promotional clothing for the new movie." (我买到了这件衬衫是因为它是新电影的促销服装之一。)
"Don't miss out on the chance to save on promotional clothing at our end-of-season sale." (别错过在我们季末大甩卖时节省钱买促销服装的机会。)