ASAS.USA via Amazon offers the Lapasa Men's 100% Cotton Flannel Plaid Pajama Pants in Black/ Grey or Black/ Blue for $16.99. Coupon code "38FHJDIM" cuts the price to $15.29. With free shipping for Prime members, that's $7 off list and the lowest price we could find. They're available in S to XXL. Deal ends December 31.