Christmas Jumper Day 2025 Uk Calendar. Christmas jumper day is a fun and charitable event that encourages people to wear their most festive sweaters in support of a good cause. Christmas jumper day encourages people to wear their festive, colourful, and quirky christmas jumpers in public in support of a charity.

On a specific day in december, people are encouraged to. Christmas jumper day encourages people to wear their festive, colourful, and quirky christmas jumpers in public in support of a charity.