Amazon discounts a selection of Alex Stevens Men's Ugly Christmas Sweaters, with prices starting at $5.02$5.36. Plus, Prime members receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping starts at around $5.) Note that prices vary widely by size. A couple of best bets:
Proozy offers The North Face Men's TKA 100 Glacier 1/4-Zip Fleece in four three colors (Sequoia Red pictured) for $59.99. Coupon code "PZY34" cuts it to $34. With free shipping, that's the lowest total price we could find by $21. It's available in size S and M to XL, although not in all size/color combinations.
Walmart offers the Starter Big Men's Winter 1/4-Zip Fleece Pullover in Olive Camo Print for $5.06. Opt for in-store pickup to dodge the $5.99 shipping charge. That's $5 off list and the lowest price we could find. It's available in sizes XXL to 4XL.
Tommy Hilfiger via eBay offers its Tommy Hilfiger Men's V-Neck Sweater in Soladite Blue, Tango Red, or Duke Heather for $19.99 with free shipping. That's $40 off list and the lowest total price we could find, although we saw it for $3 less last August. It's available in sizes XS to L, although not in all size/color combinations.
REI Garage offers its REI Co-op Men's Adventures Fleece Sweater in Midnight Sky or French Roast for $38.73. Choose in-store pickup to dodge the $5.99 shipping fee. That's $41 off and the lowest price we could find. It's available in most sizes from S to XXL.