Amazon EssentialsWomen's Sherpa-Lined Fleece Full-Zip Hooded Jacket (Available in Plus Sizes)

I am size 12 but like a bit of room in hoodies and sweaters. would you suggest buying m or l? many thanks!

What is the difference between the size and plus, for example xl and xl plus, xxl and xxl plus?

3 x plus what size UK 22 24 26

What size is a 6xl in comparison to say 18 20 22 24 26 etc