WEBAmazon.com: Haggar Slacks. 49-96 of 324 results for "haggar slacks" Results. Price and other details may vary based on product size and color. Haggar. Men's Premium No Iron Khaki Slim Fit Flat Front Casual Pant. 3,591. $3446. List: $44.99. FREE delivery Thu, Jan 4 on $35 of items shipped by Amazon. Or fastest delivery Wed, Jan 3.