Elves Behavin' Badly Knitted Sweaters for Elf – elfwear.shop
Hoolaroo Asst Knitted Elf Sweaters - (4 Designs Available, 1 Sent at Random) : Amazon.co.uk: Toys & Games
Amazon.com: The Elf on the Shelf Sweater Set - Elf Boy or Girl Accessory with 5 Different Removable Decals Change Your Elves Costume Daily, Have Fun with Your Holiday Home Ugly Sweater