The physics of ugly Christmas sweaters The ways a sweater is folded, stretched or rumpled determines how it settles into one of several resting meta-states.

Motorhead Christmas jumper 8) Motorhead Featuring their iconic logo and unmistakable Snaggletooth design, this Motörhead jumper brings a touch of heavy metal rebellion to your Christmas wardrobe.

It's National Ugly Christmas Sweater Day! So bust out the tacky tinsel and wretched ribbon and make yourself a sweater.

Whether you’re staying festive at home or attending plenty of parties, these are the best ugly Christmas sweaters to wear this holiday season.

Whether you’re staying festive at home or attending plenty of parties, these are the best ugly Christmas sweaters to wear this holiday season.

Consider one of these ugly and hilarious sweaters for your ugly Christmas party this year.

Get your ugly Christmas sweaters for less this season! Five Below has ugly Christmas sweaters in all their tacky, festive glory for just $5 a piece.

Microsoft releases a nostalgic Xbox 360-themed ugly Christmas sweater, but not all fans will be able to get their hands on it this holiday season.

We found 10 Walmart ugly Christmas sweaters that are actually cute. Shop Fair Isle crewneck styles, knits with light-up reindeer, and cardigans with gingerbread men. Every holiday sweater is under ...

RELATED: Sonic the Hedgehog 3 Will Reportedly Have “Multiple” Post-Credit Scenes The Ugly Sonic Christmas sweater says a lot about how far the Sonic movie franchise has come in the last 5 years.

A new holiday sweater from Microsoft features the infamous Red Ring of Death that indicated when an Xbox 360 was broken. Unfortunately, only Microsoft employees can buy the sweater at the moment.

Ugly Christmas sweaters are somewhat of a cultural phenomenon. But where did the trend even begin? Travel back in time to the 1850s for an answer.