Uniqlo offers the Uniqlo Men's Windproof Warm-Lined Pants in Beige for $14.90 with free shipping. (Shipping usually adds $5.) That's $5 under yesterday's mention, $40 off in total, and the lowest price we could find. They're available in sizes L and XL.
You probably don't need a year's supply of toilet paper to survive an outbreak, but consider stocking up on these items.