If you're looking for a truly one-of-a-kind Christmas jumper, or anything else really, then thrift stores are your best bet.
Beyond Retro is hosting an online-only "Green Friday" sale. On offer are some of your favourite brands, like Adidas, Ralph Lauren, and Tommy Hilfiger, plus tons of unique pieces sourced from the '60s, '70s, '80s, and '90s. "Whether you're looking for some 90s sportswear, 60s true vintage or the perfect winter coat you'll find it all right here," Beyond Retro shared on their main site. "Every piece has been hand-picked by our experts and is a one-off so get it before it goes!"