Levi's offers the Levi's Men's 504 Regular Straight Jeans in Modern Grey for $19.90. Coupon code "GIFT20" drops them to $15.92. With free shipping, that's $8 under our mention from two weeks ago and the cheapest Levi's men's jeans we've seen. They're available in most waist sizes from 29 to 42 and inseams 30 to 34. Deal ends January 31.