Ending today, Gap offers its Gap Men's Slim Fit Color GapFlex Khakis in Hot Chestnut for $22.99. Apply coupon codes "EVENBETTER" and "PRESDAY" to cut the price to $12.87 and net free shipping. That's $47 off list and the lowest price we could find. They're available in select sizes from 28 to 36 and lengths 30 to 34.