Lululemon apres yoga jacket. 18 ptp size 6?

Older style yoga jacket (still a favorite) good preloved condition Cinchqble waist Back slit Zipper pockets No size dot or tag. Ptp is 18 inches see photos Guessing it’s a size 6 unfortunately it’s to small I have to let it go. Some washwear but nothing crazy. No rips or stains Lots of life left in this beauty.